[telegram] que tareas hay?


**Evaluating task management**

I'm thinking the user may want an answer related to their to-do list. They might be asking about current tasks and how to manage them effectively. I can quickly check the to-do list system to provide the best insights. It would be helpful to get an understanding of what tasks are currently active or pending. Let’s explore this together to ensure they get the information they need!


No tasks


No hay tareas activas en el todo actual.

Si querés, puedo:
- revisar `TASKS.md` / backlog del repo
- crear una tarea nueva
- listar tareas de otro proyecto específico


[telegram] si


**Clarifying options**

I realize I need to interpret what "yes" means because the offered options seem ambiguous. It’s important to get clarity, so I think I should ask for minimal information to understand better. Maybe I could phrase it simply to avoid overwhelming the user while still gathering the necessary details. It really matters to me that I get this right! Let's see how I can ask for this without making it complicated.

¿Cuál?

- revisar `TASKS.md` / backlog
- crear tarea nueva
- otro proyecto específico


[telegram] global


**Evaluating task documents**

I need to inspect the documentation, possibly to list the global tasks files. It seems like they might be found in /home/sebas/pi-config. The docs say I should check for TASKS.md and maybe even the BACKLOG. I'll make sure to read through these files to get a better understanding of what's required. It's essential to have clarity before moving forward!


ENOENT: no such file or directory, access '/home/sebas/TASKS.md'


ENOENT: no such file or directory, access '/home/sebas/BACKLOG.md'


ENOENT: no such file or directory, access '/home/sebas/DONE.md'


**Finding files using bash**

I need to locate some files, so I'm thinking about using the bash `find` command. It's a pretty handy way to search for files and directories based on various criteria like name, type, and so on. I’ll want to get the syntax right, specifying the directory to search and any filters I might need. Exploring all the options will help ensure I find exactly what I'm looking for!

bash

find /home/sebas -maxdepth 3 \( -name TASKS.md -o -name BACKLOG.md -o -name DONE.md \) | sort


/home/sebas/pi-config/docs/BACKLOG.md
/home/sebas/pi-config/docs/DONE.md
/home/sebas/pi-config/docs/TASKS.md


# Tasks

Actionable work queue.

Purpose:
- hold concrete work that is ready or nearly ready to execute
- make active priorities visible without mixing them with vague ideas
- give future chats one stable place to pull next actions from

## How to use

Workflow:
1. move shaped work here from `BACKLOG.md`
2. keep each item concrete and execution-oriented
3. mark `active` only for a small number of current priorities
4. move completed items to `DONE.md`

Status meanings:
- `queued`: actionable, not started
- `active`: currently being worked
- `blocked`: waiting on info/access/decision
- `done`: finished; then move to `DONE.md`

Fields:
- `id`: stable handle for future chats
- `status`: current execution state
- `goal`: concrete outcome
- `source`: where it came from (`BACKLOG.md`, project doc, etc.)
- `workspace`: per-task folder for notes/artifacts
- `next_step`: immediate next action
- `notes`: short implementation context

---

## Items

### T-002 - Document reusable offline/navigation patterns
- status: `queued`
- goal: write the durable pattern doc for offline/navigation behavior reusable across Ballbox and local nginx-served surfaces
- source: `BB-002`
- workspace: `/home/sebas/work/tasks/T-002/`
- next_step:
  - draft the first pattern document covering progressive enhancement, cache strategy, offline fallback, history/scroll restoration, invalidation, and rollout boundaries
- notes:
  - this is the main source-of-truth task before local or Ballbox rollouts

### T-003 - Apply offline/navigation patterns to local nginx surfaces
- status: `queued`
- goal: apply the BB-002 pattern set to one local nginx-served surface as the first rollout
- source: `BB-003`
- workspace: `/home/sebas/work/tasks/T-003/`
- next_step:
  - choose the first surface, likely `/portal/` or `/calistenia/`, after T-002 is documented enough
- notes:
  - depends on T-002 being solid enough to guide implementation


# Backlog

Durable backlog for cross-session work.

Purpose:
- keep loosely defined ideas in one place
- refine them over time without losing context
- track status before they become concrete execution tasks
- give future chats one stable source of truth for pre-task work

## How to use

Workflow:
1. capture raw idea fast
2. clarify goal / payoff / constraints
3. split into next concrete step
4. only then move into `TASKS.md`, active implementation docs, or session todo work

Status meanings:
- `idea`: rough, not yet shaped
- `researching`: being explored
- `ready`: clear enough to execute
- `blocked`: waiting on info/access/decision
- `done`: completed or superseded

Fields:
- `id`: stable handle for future chats
- `status`: current maturity
- `goal`: real outcome wanted
- `why`: payoff / business value
- `open_questions`: what still blocks clarity
- `next_step`: single best next move
- `notes`: evidence, links, caveats

---

## Items

### BB-005 - Apply BB-002 patterns in Ballbox
- status: `idea`
- goal: apply the documented BB-002 offline/navigation patterns in `~/ballbox`, tied to the recent accessibility work there
- why: keeps Ballbox improvements aligned with the shared pattern set and folds this work into the accessibility/navigation effort already started
- open_questions:
  - which existing Ballbox accessibility workstream or doc should be the main anchor for this rollout?
  - which Ballbox surface should be first: docs/blog/public marketing vs authenticated admin/player?
  - which parts of BB-002 are worth shipping in Ballbox first beyond accessibility-related navigation behavior?
- next_step:
  - keep parked until BB-002 documentation is solid enough to use as the implementation source of truth
- notes:
  - user asked to track this separately from BB-002
  - associate with the recently started Ballbox accessibility work when that thread is picked back up

### BB-004 - Self-hosted RSS/feed system for offline reading
- status: `researching`
- goal: build a feed/RSS reading system on this server to replace the current app and support preloaded offline reading
- why: better control, better offline use on flights, and integration with local portal/nginx improvements
- open_questions:
  - is `rss-offline` already good enough as the primary phone/offline reader, or does it still need a stronger local archive hit rate?
  - how much richer UX is worth adding beyond a date-sorted list plus local-copy/original-link split?
- next_step:
  - treat `rss-offline` as the primary experiment, measure whether the current local-copy workflow is sufficient, and only then decide whether to keep evolving it or fold feed management into it
- notes:
  - should be evaluated together with BB-003 service-worker / offline-cache strategy
  - constraint: no paid options
  - current primary path is `/rss-offline/`: static date-sorted recent entries, server-fetched local article copies, service worker under the same prefix, and local copy as the primary click target
  - reason for pivot: cross-origin mobile browser caching of external blog pages was too unreliable, even with prefetch attempts
  - current generated artifacts and limits are documented in `pi-config/docs/bb-004-rss-offline-status-2026-05-14.md`
  - minimal bar that already beats the current app: feed subscriptions/import, background refresh, unread/read state, folders/tags optional, article list + readable article view, save-for-offline/preload, cached visited articles, mobile-friendly web UI, multi-device sync through server state
  - nice-to-haves later: full-text extraction, search, saved highlights, send-to-reader/share target, email/newsletter ingestion


Global:

`TASKS.md`
- T-002 `queued`
  - document reusable offline/navigation patterns
- T-003 `queued`
  - apply those patterns to one local nginx surface

`BACKLOG.md`
- BB-004 `researching`
  - self-hosted RSS/feed system
- BB-005 `idea`
  - apply BB-002 patterns in Ballbox

No `active` tasks now.

Si querés, hago una de estas:
- abrir T-002
- abrir T-003
- resumir BB-004
- pasar algo del backlog a tarea concreta


[telegram] on the offline rss, i think we are reinventing the wheel a bit and safari cache is not collaborating as much. can we think of a better solution focused on the iphone?


**Exploring better solutions**

I need to come up with a better solution. Maybe checking the backlog documentation or the RSS status could help. It seems important to mention iPhone usage in my suggestions. I could propose implementing a native-like reading experience with saved articles, using server-rendered local copies, and allowing users to add them to their home screens without relying too much on service workers. Let's take a look at the status document; it might provide some useful insights.


# BB-004 rss-offline status — 2026-05-14

Current state for offline feed reading on `ballbox-first`.

## Outcome

Primary path now:

- `https://ballbox-first.emperor-ratio.ts.net/rss-offline/`

## Why the pivot happened

Previous cross-origin browser caching was not reliable enough for the main user goal:

- read recent content offline on phone
- avoid opening blogs one by one first

The weak point was cross-origin caching of external blog pages from mobile browsers.
That made offline hit rate inconsistent even after prefetch attempts.
The current builder now saves the fetched blog page HTML locally instead of a text-only extraction.

## What `rss-offline` does

- reads a curated feed list from local config
- fetches recent entries directly from feeds
- sorts entries by date descending
- downloads recent linked articles server-side
- stores a full local HTML copy of each fetched article page
- serves a static web UI at `/rss-offline/`
- makes the **local copy** the primary click target
- keeps a secondary link to the real/original blog
- registers a service worker under `/rss-offline/`
- precaches generated local article pages for better offline behavior
- runs a rebuild cron every 30 minutes

## Current files and paths

Project source:

- `/home/sebas/work/projects/rss-offline/`
- `/home/sebas/work/projects/rss-offline/feed-sources.json`
- `/home/sebas/work/projects/rss-offline/build.py`

Generated site:

- `/var/www/rss-offline/`
- `/var/www/rss-offline/index.html`
- `/var/www/rss-offline/entries.json`
- `/var/www/rss-offline/sw.js`
- `/var/www/rss-offline/offline.html`
- `/var/www/rss-offline/article-*.html`

Logs:

- `/home/sebas/runtime/rss-offline-build.log`

## Current behavior limits

- offline reliability is better for local copies than for real blog links
- Safari/iPhone caching still may not be perfect for every generated page every time
- some sites will still depend on remote assets for full visual fidelity, but the saved local page is much closer to the original than the old text-only copy
- no category/tag UX yet; the current product is a date-sorted list only
- local copies are raw saved pages with a small local banner, not per-site cleaned reader views

## Operational notes

Cron currently rebuilds every 30 minutes.
That means:

- new recent articles should appear automatically
- local copies should refresh automatically
- service worker cache version only changes when the generated file content changes

## Product direction for now

Treat `rss-offline` as the current best offline reading path.
Keep investing in `rss-offline` only if a future need appears for:

- better feed management UX
- multi-user reader features
- categorization/search heavier than the current simple offline list


**Considering better solutions**

I need to come up with a direct answer that offers better solution options, especially focused on iPhone. Perhaps I should update the backlog based on the user's request. I can recommend an architecture and even create a to-do list if needed. It’s probably more about strategy — like mentioning the flaky service worker cache in Safari. Utilizing server-side bundling into single downloadable formats could be helpful. I want to focus on reading experiences in Files, Books, and Shortcuts while crafting concise recommendations with clear options.

Yes.

Current path fights iPhone Safari too much.
Best move: stop depending on Safari cache as the core offline layer.

Better iPhone-first options:

1. **Server-made EPUB digest**
- fetch feeds on server
- clean article content
- bundle latest unread/saved items into one `.epub`
- open in Apple Books
- strongest offline reliability on iPhone

2. **“Reading pack” files**
- generate one offline pack per day/week:
  - epub
  - or zipped HTML bundle
  - or single long HTML doc
- user downloads once
- no service worker gamble

3. **Push to a real reader format**
- Instapaper/Reader-style flow, but self-hosted
- save articles server-side as clean text
- iPhone reads local rendered copies only
- less fidelity, more reliability

My take:

**Best default = EPUB digest.**
Reason:
- native iPhone offline behavior
- no Safari cache roulette
- easy open/share/save
- good for flights
- “download once, read many”

Practical product split:
- keep `/rss-offline/` for browsing
- add **“Download latest offline pack”**
- pack contains cleaned articles, toc, dates, source links

If you want, I can do next:
- shape this into a concrete task
- inspect current `rss-offline` code and design the epub path
- compare epub vs single-html bundle for fastest implementation


[telegram] and can the epub resemble a stitch of the pages with their original style/images? like printing a pdf for ex


Yes, partly. Not fully.

EPUB can include:
- images
- basic layout
- per-article sections
- links
- some inline styling

But:
- many real pages depend on JS
- custom fonts/scripts/embeds break
- complex CSS gets flattened
- each reader app restyles a lot
- Apple Books will not preserve a webpage 1:1

So if goal is:

- **reliable offline reading on iPhone**
  use **clean EPUB**

- **looks close to original page**
  use **PDF** or saved full-page HTML snapshot

Best model may be both:

1. **EPUB pack**
- best reading UX
- robust offline
- lighter

2. **original-look snapshot**
- PDF per article, or maybe one merged PDF
- closer to source
- heavier, worse navigation/reflow on phone

Important tradeoff:
- “original style” and “good iPhone reading” pull in opposite directions.

My recommendation:
- primary: clean EPUB
- optional per article: “original snapshot” link
- not full fidelity as the main path

If you want, I can design the exact pipeline:
- feed → fetch → clean → epub
- plus optional PDF snapshot for selected articles.


[telegram] lets first try epub


**Creating a plan**

I need to respond to the user and perhaps create a todo list based on their instructions. They mentioned trying EPUB first, so I should consider adding that task. I’m thinking about inspecting the repository as well. It might be helpful to create a todo item in the session todo for better organization. Should I ask the user if they need me to proceed with that plan? I want to ensure I’m aligning with their needs!

todo

Prototype EPUB output for rss-offline

Add or design a first EPUB-based offline pack path for the existing rss-offline flow, focused on iPhone offline reading reliability.


Created #1: Prototype EPUB output for rss-offline (pending)

Prototype EPUB output for rss-offline

Prototype EPUB output for rss-offline


**Considering updates**

I’m wondering if I should update the status to ‘in progress’ or maybe create a new entry, possibly ignoring the previous one. It feels like there are a couple of options here, and I want to make sure I pick the right one based on what needs to be done. I’ll definitely need to think this through and evaluate which action aligns best with the current objectives.


Updated #1 (pending → in_progress)

Prototype EPUB output for rss-offline


Good.

Next move:
- inspect current `rss-offline` builder
- add smallest viable EPUB path
- keep web flow intact

Goal for v1:
- latest N articles
- cleaned readable content
- images if easy
- table of contents
- one downloadable `.epub`

I’ll start there.


[telegram] status?


**Assessing task status**

I need to provide an honest update on the task's status. Right now, we haven't inspected it yet. It feels important to clarify that the task has been created but hasn't been started. I want to make sure the user understands where we stand in a straightforward way. Transparency is key here, and I’m aiming to communicate this effectively while ensuring the user feels informed.

Status:
- task created
- plan set
- implementation not started yet

Current target:
- inspect `rss-offline`
- add v1 EPUB export
- keep `/rss-offline/` unchanged

If you want, I start now and send back:
- feasibility
- implementation plan
- first working `.epub` path


[telegram] all of that in one go please. divide work as you please (subagents, ralph loops, plain sequential work)


Inspect rss-offline builder, assess EPUB feasibility, implement a first working EPUB export path if practical, and report feasibility + implementation plan + working usage in one pass.


Updated #1

Prototype EPUB output for rss-offline


bash

cd /home/sebas/work/projects/rss-offline && find . -maxdepth 2 -type f | sort


#!/usr/bin/env python3
import email.utils
import hashlib
import json
import os
import subprocess
import time
import xml.etree.ElementTree as ET
from datetime import datetime, timedelta, timezone
from html import escape
from pathlib import Path
from urllib.parse import urljoin, urlparse

import requests
from bs4 import BeautifulSoup

BASE_DIR = Path(__file__).resolve().parent
SOURCES_PATH = BASE_DIR / 'feed-sources.json'
DATA_DIR = BASE_DIR / 'data'
OUTPUT_DIR = Path('/var/www/rss-offline')
MAX_ENTRIES = int(os.environ.get('RSS_OFFLINE_MAX_ENTRIES', '250'))
DAYS = int(os.environ.get('RSS_OFFLINE_DAYS', '14'))
TIMEOUT = 20
HEADERS = {'user-agent': 'Mozilla/5.0 (rss-offline builder)'}
DEFAULT_CAPTURE_MODE = os.environ.get('RSS_OFFLINE_CAPTURE_MODE', 'rendered').strip().lower() or 'rendered'
RENDER_BUDGET_MS = int(os.environ.get('RSS_OFFLINE_RENDER_BUDGET_MS', '8000'))
MAX_RENDERED_ENTRIES = int(os.environ.get('RSS_OFFLINE_MAX_RENDERED_ENTRIES', '8'))
MAX_ASSETS_PER_PAGE = int(os.environ.get('RSS_OFFLINE_MAX_ASSETS_PER_PAGE', '24'))
MAX_ASSET_BYTES = int(os.environ.get('RSS_OFFLINE_MAX_ASSET_BYTES', '1500000'))
ALLOWED_ASSET_EXTENSIONS = ('.css', '.js', '.mjs', '.png', '.jpg', '.jpeg', '.gif', '.svg', '.webp', '.ico', '.woff', '.woff2', '.ttf')
CHROMIUM_BIN = os.environ.get('RSS_OFFLINE_CHROMIUM_BIN', '/usr/bin/chromium')

def fetch(url: str) -> requests.Response:
    response = requests.get(url, timeout=TIMEOUT, headers=HEADERS)
    response.raise_for_status()
    return response

def text(node, path_options):
    for path in path_options:
        found = node.find(path)
        if found is not None and found.text and found.text.strip():
            return found.text.strip()
    return ''

def entry_links(item):
    for tag in ['link', '{http://www.w3.org/2005/Atom}link']:
        for node in item.findall(tag):
            href = node.get('href') or (node.text or '').strip()
            if href:
                rel = node.get('rel', 'alternate')
                if rel in ('alternate', ''):
                    return href
    return ''

def parse_timestamp(raw: str) -> int:
    raw = (raw or '').strip()
    if not raw:
        return 0
    try:
        return int(email.utils.parsedate_to_datetime(raw).timestamp())
    except Exception:
        pass
    try:
        return int(datetime.fromisoformat(raw.replace('Z', '+00:00')).timestamp())
    except Exception:
        return 0

def slug(url: str) -> str:
    return hashlib.sha256(url.encode()).hexdigest()[:16]

def asset_rel_path(entry_key: str, asset_url: str, content_type: str = '') -> str:
    parsed = urlparse(asset_url)
    raw = (parsed.path or '').lower()
    ext = Path(raw).suffix
    if not ext:
        if 'css' in content_type:
            ext = '.css'
        elif 'javascript' in content_type:
            ext = '.js'
        elif 'svg' in content_type:
            ext = '.svg'
        elif 'png' in content_type:
            ext = '.png'
        elif 'jpeg' in content_type:
            ext = '.jpg'
        elif 'webp' in content_type:
            ext = '.webp'
        elif 'gif' in content_type:
            ext = '.gif'
        elif 'woff2' in content_type:
            ext = '.woff2'
        elif 'woff' in content_type:
            ext = '.woff'
        elif 'html' in content_type:
            ext = '.html'
        else:
            ext = '.bin'
    name = hashlib.sha256(asset_url.encode()).hexdigest()[:16] + ext
    return f'assets/{entry_key}/{name}'

def fetch_asset(url: str) -> requests.Response:
    response = requests.get(url, timeout=TIMEOUT, headers=HEADERS, stream=True)
    response.raise_for_status()
    return response

def should_keep_asset(node, parsed):
    path_lower = parsed.path.lower()
    if any(path_lower.endswith(ext) for ext in ALLOWED_ASSET_EXTENSIONS):
        return True
    if node.name == 'link' and 'stylesheet' in ' '.join(node.get('rel', [])).lower():
        return True
    if node.name == 'script' and parsed.path:
        return True
    return False

def mirror_assets(entry, soup, entry_key: str):
    page_origin = urlparse(entry['link']).netloc
    mirrored = {}
    total_bytes = 0
    count = 0

    def candidates():
        for tag, attr in [('link', 'href'), ('script', 'src'), ('img', 'src'), ('source', 'src')]:
            for node in soup.find_all(tag):
                ref = node.get(attr)
                if ref:
                    yield node, attr, ref

    for node, attr, ref in candidates():
        if count >= MAX_ASSETS_PER_PAGE or total_bytes >= MAX_ASSET_BYTES:
            break
        asset_url = urljoin(entry['link'], ref)
        parsed = urlparse(asset_url)
        if parsed.scheme not in ('http', 'https'):
            continue
        if parsed.netloc != page_origin:
            continue
        if not should_keep_asset(node, parsed):
            continue
        try:
            rel = mirrored.get(asset_url)
            if rel is None:
                res = fetch_asset(asset_url)
                content_type = res.headers.get('content-type', '').lower()
                rel = asset_rel_path(entry_key, asset_url, content_type)
                data = b''
                limit_hit = False
                for chunk in res.iter_content(65536):
                    if not chunk:
                        continue
                    data += chunk
                    if len(data) + total_bytes > MAX_ASSET_BYTES:
                        limit_hit = True
                        break
                res.close()
                if limit_hit or not data:
                    continue
                out = OUTPUT_DIR / rel
                out.parent.mkdir(parents=True, exist_ok=True)
                out.write_bytes(data)
                mirrored[asset_url] = rel
                total_bytes += len(data)
                count += 1
            node[attr] = '/rss-offline/' + rel
        except Exception:
            continue

def render_page(url: str) -> str:
    cmd = [
        CHROMIUM_BIN,
        '--headless=new',
        '--disable-gpu',
        '--no-sandbox',
        '--run-all-compositor-stages-before-draw',
        f'--virtual-time-budget={RENDER_BUDGET_MS}',
        '--dump-dom',
        url,
    ]
    result = subprocess.run(cmd, capture_output=True, text=True, timeout=max(TIMEOUT, (RENDER_BUDGET_MS // 1000) + 10), check=True)
    html = result.stdout.strip()
    if not html:
        raise RuntimeError('empty rendered DOM')
    return html

def capture_page(entry, rendered_allowed: bool):
    preferred = (entry.get('capture_mode') or DEFAULT_CAPTURE_MODE).lower()
    if preferred == 'rendered' and not rendered_allowed:
        preferred = 'simple'
    modes = [preferred] + [mode for mode in ('rendered', 'simple') if mode != preferred and (mode != 'rendered' or rendered_allowed)]
    errors = []
    for mode in modes:
        try:
            if mode == 'rendered':
                return render_page(entry['link']), 'rendered'
            if mode == 'simple':
                return fetch(entry['link']).text, 'simple'
        except Exception as e:
            errors.append(f'{mode}:{e}')
    raise RuntimeError(' ; '.join(errors))

def make_local_copy(entry, page_html: str, entry_key: str) -> str:
    soup = BeautifulSoup(page_html, 'html.parser')

    if soup.head is None:
        head = soup.new_tag('head')
        if soup.html is None:
            html = soup.new_tag('html')
            html.append(head)
            body = soup.new_tag('body')
            for child in list(soup.contents):
                body.append(child.extract())
            html.append(body)
            soup.append(html)
        else:
            soup.html.insert(0, head)

    if soup.head.find('meta', attrs={'charset': True}) is None:
        soup.head.insert(0, soup.new_tag('meta', charset='utf-8'))
    if soup.head.find('meta', attrs={'name': 'viewport'}) is None:
        soup.head.append(soup.new_tag('meta', attrs={'name': 'viewport', 'content': 'width=device-width, initial-scale=1'}))

    for base in soup.head.find_all('base'):
        base.decompose()
    soup.head.insert(0, soup.new_tag('base', href=entry['link']))

    banner_css = (
        'body{margin-top:72px!important}'
        '.rss-offline-banner{position:fixed;top:0;left:0;right:0;z-index:2147483647;'
        'background:#07111f;color:#fff;padding:12px 16px;font:14px/1.4 system-ui,sans-serif;'
        'box-shadow:0 1px 0 rgba(255,255,255,.08)}'
        '.rss-offline-banner a{color:#8dc3ff;text-decoration:none}'
        '.rss-offline-banner strong{color:#fff}'
        '.rss-offline-banner .muted{opacity:.78}'
    )
    style = soup.new_tag('style')
    style.string = banner_css
    soup.head.append(style)

    mirror_assets(entry, soup, entry_key)

    banner = BeautifulSoup(
        f'
← rss-offline · '
        f'abrir original · '
        f'{escape(entry["title"])} [{escape(entry["captured_mode"])}] · '
        f'{escape(entry["feed"])} · {escape(entry["date_label"])}
',
        'html.parser'
    )
    body = soup.body or soup
    body.insert(0, banner)

    return '<!doctype html>\n' + str(soup)

def load_sources():
    sources = json.loads(SOURCES_PATH.read_text())
    for source in sources:
        source['captureMode'] = (source.get('captureMode') or DEFAULT_CAPTURE_MODE).lower()
    return sources

def build():
    DATA_DIR.mkdir(parents=True, exist_ok=True)
    OUTPUT_DIR.mkdir(parents=True, exist_ok=True)
    sources = load_sources()
    cutoff = int((datetime.now(timezone.utc) - timedelta(days=DAYS)).timestamp())
    entries = []

    for source in sources:
        try:
            response = fetch(source['feedUrl'])
            xml_text = response.text
            root = ET.fromstring(xml_text)
        except Exception as e:
            print('FEED_ERR', source['name'], e)
            continue

        items = []
        if root.tag.endswith('rss'):
            channel = root.find('channel')
            items = channel.findall('item') if channel is not None else []
        else:
            items = root.findall('{http://www.w3.org/2005/Atom}entry')

        for item in items:
            title = text(item, ['title', '{http://www.w3.org/2005/Atom}title']) or source['name']
            link = entry_links(item)
            if not link:
                continue
            link = urljoin(source['siteUrl'], link)
            ts = parse_timestamp(text(item, ['pubDate', '{http://www.w3.org/2005/Atom}updated', '{http://www.w3.org/2005/Atom}published']))
            if ts and ts < cutoff:
                continue
            entries.append({
                'feed': source['name'],
                'feed_url': source['feedUrl'],
                'title': title,
                'link': link,
                'timestamp': ts,
                'capture_mode': source['captureMode'],
            })

    entries.sort(key=lambda item: item['timestamp'], reverse=True)
    entries = entries[:MAX_ENTRIES]

    archived = []
    rendered_used = 0
    for entry in entries:
        try:
            wants_rendered = (entry.get('capture_mode') or DEFAULT_CAPTURE_MODE) == 'rendered'
            page_html, used_mode = capture_page(entry, rendered_allowed=(rendered_used < MAX_RENDERED_ENTRIES or not wants_rendered))
            key = slug(entry['link'])
            article_file = OUTPUT_DIR / f'article-{key}.html'
            entry['local_path'] = f'/rss-offline/article-{key}.html'
            entry['date_label'] = datetime.fromtimestamp(entry['timestamp'] or time.time(), tz=timezone.utc).astimezone().strftime('%Y-%m-%d %H:%M')
            entry['captured_mode'] = used_mode
            article_file.write_text(make_local_copy(entry, page_html, key))
            if used_mode == 'rendered':
                rendered_used += 1
            archived.append(entry)
            print('OK', used_mode, entry['link'])
        except Exception as e:
            print('ARTICLE_ERR', entry['link'], e)

    index = OUTPUT_DIR / 'index.html'
    sw = OUTPUT_DIR / 'sw.js'
    offline = OUTPUT_DIR / 'offline.html'
    json_index = OUTPUT_DIR / 'entries.json'

    json_index.write_text(json.dumps(archived, ensure_ascii=False, indent=2))

    cards = []
    for entry in archived:
        cards.append(f'''

{escape(entry['title'])}

{escape(entry['feed'])} · {escape(entry['date_label'])}

modo: {escape(entry['captured_mode'])} · blog real

''')

    local_paths = [entry['local_path'] for entry in archived]
    index.write_text(f'''<!doctype html><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><meta name="theme-color" content="#07111f"><title>rss-offline</title>

rss-offline

Artículos por fecha con página local completa, modo visible y link real.

{len(archived)} artículos · últimos {DAYS} días

{''.join(cards)}''')

    offline.write_text('<!doctype html><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>rss-offline sin conexión</title>
Sin conexión

La lista y copias locales visitadas deberían seguir disponibles.

Volver a rss-offline
')

    precache_paths = ['/rss-offline/', '/rss-offline/offline.html', '/rss-offline/entries.json'] + [entry['local_path'] for entry in archived]
    sw.write_text(f"""const V='rss-offline-v4';const CORE=V+'-core';const PAGES=V+'-pages';const PRECACHE={json.dumps(precache_paths, ensure_ascii=False)};self.addEventListener('install',e=>{{e.waitUntil(caches.open(CORE).then(c=>c.addAll(PRECACHE)));self.skipWaiting();}});self.addEventListener('activate',e=>{{e.waitUntil(caches.keys().then(keys=>Promise.all(keys.filter(k=>!k.startsWith(V)).map(k=>caches.delete(k)))).then(()=>self.clients.claim()));}});self.addEventListener('fetch',e=>{{const r=e.request;const u=new URL(r.url);if(r.method!=='GET'||u.origin!==self.location.origin||!u.pathname.startsWith('/rss-offline/'))return;e.respondWith((async()=>{{const core=await caches.open(CORE);const pages=await caches.open(PAGES);const cached=await core.match(r)||await pages.match(r);try{{const res=await fetch(r);if(res.ok) await pages.put(r,res.clone());return res;}}catch{{return cached||await core.match('/rss-offline/offline.html')||Response.error();}}}})());}});""")

if __name__ == '__main__':
    build()


./build.py
./feed-sources.json
./__pycache__/build.cpython-313.pyc


**Exploring EPUB implementation**

I’m considering implementing EPUB functionality, possibly using the Readability package. I think there might be other relevant packages available, so I’ll inspect the environment for options. Ebooklib comes to mind as a potential candidate, but I want to do a bit more digging to see what’s best. Let’s check what’s out there! I want to make sure I find the right tools for implementing this correctly.

python3 - <<'PY'
mods=['ebooklib','bs4','readability','trafilatura','lxml','requests']
for m in mods:
    try:
        __import__(m)
        print(m,'OK')
    except Exception as e:
        print(m,'NO',e)
PY


ebooklib NO No module named 'ebooklib'
bs4 OK
readability NO No module named 'readability'
trafilatura NO No module named 'trafilatura'
lxml OK
requests OK


**Exploring tool options**

I think I might be able to use Pandoc here! It seems like a good idea to check the available tools to see if that will help with my task. I want to ensure that I have the correct tools at my disposal. Let’s see how I can implement this and what specific functionalities I can leverage from Pandoc. It might streamline everything nicely.

which pandoc || true && which ebook-convert || true && which wkhtmltopdf || true && which chromium || true && python3 --version


/usr/bin/chromium
Python 3.13.5


**Crafting an EPUB Builder**

I think I need to implement a minimal EPUB structure manually. I'll parse article content with BeautifulSoup, maybe using meta tags like og:image for images. I want to build a simple EPUB with content extraction. It seems testing might be necessary, though I'm debating whether to use a sub-agent for a quick plan or code directly. I need to implement functions to clean the article HTML, fetch limited images, and generate an EPUB ZIP file. Let's edit build.py to integrate these changes!

edit

import email.utils
import hashlib
import json
import os
import subprocess
import time
import xml.etree.ElementTree as ET
from datetime import datetime, timedelta, timezone
from html import escape
from pathlib import Path
from urllib.parse import urljoin, urlparse

import requests
from bs4 import BeautifulSoup

import email.utils
import hashlib
import json
import mimetypes
import os
import re
import subprocess
import time
import xml.etree.ElementTree as ET
import zipfile
from datetime import datetime, timedelta, timezone
from html import escape
from pathlib import Path
from urllib.parse import urljoin, urlparse

import requests
from bs4 import BeautifulSoup


Successfully replaced 1 block(s) in /home/sebas/work/projects/rss-offline/build.py.

   1 #!/usr/bin/env python3
   2 import email.utils
   3 import hashlib
   4 import json
+  5 import mimetypes
   5 import os
+  7 import re
   6 import subprocess
   7 import time
   8 import xml.etree.ElementTree as ET
+ 11 import zipfile
   9 from datetime import datetime, timedelta, timezone
  10 from html import escape
  11 from pathlib import Path
  12 from urllib.parse import urljoin, urlparse
     ...


CHROMIUM_BIN = os.environ.get('RSS_OFFLINE_CHROMIUM_BIN', '/usr/bin/chromium')
EPUB_TITLE = os.environ.get('RSS_OFFLINE_EPUB_TITLE', 'rss-offline latest')
EPUB_FILENAME = os.environ.get('RSS_OFFLINE_EPUB_FILENAME', 'rss-offline-latest.epub')
EPUB_MAX_ARTICLES = int(os.environ.get('RSS_OFFLINE_EPUB_MAX_ARTICLES', '40'))
EPUB_MAX_IMAGES_PER_ARTICLE = int(os.environ.get('RSS_OFFLINE_EPUB_MAX_IMAGES_PER_ARTICLE', '12'))
EPUB_MAX_IMAGE_BYTES = int(os.environ.get('RSS_OFFLINE_EPUB_MAX_IMAGE_BYTES', '2000000'))


     ...
  31 MAX_ASSETS_PER_PAGE = int(os.environ.get('RSS_OFFLINE_MAX_ASSETS_PER_PAGE', '24'))
  32 MAX_ASSET_BYTES = int(os.environ.get('RSS_OFFLINE_MAX_ASSET_BYTES', '1500000'))
  33 ALLOWED_ASSET_EXTENSIONS = ('.css', '.js', '.mjs', '.png', '.jpg', '.jpeg', '.gif', '.svg', '.webp', '.ico', '.woff', '.woff2', '.ttf')
  34 CHROMIUM_BIN = os.environ.get('RSS_OFFLINE_CHROMIUM_BIN', '/usr/bin/chromium')
+ 35 EPUB_TITLE = os.environ.get('RSS_OFFLINE_EPUB_TITLE', 'rss-offline latest')
+ 36 EPUB_FILENAME = os.environ.get('RSS_OFFLINE_EPUB_FILENAME', 'rss-offline-latest.epub')
+ 37 EPUB_MAX_ARTICLES = int(os.environ.get('RSS_OFFLINE_EPUB_MAX_ARTICLES', '40'))
+ 38 EPUB_MAX_IMAGES_PER_ARTICLE = int(os.environ.get('RSS_OFFLINE_EPUB_MAX_IMAGES_PER_ARTICLE', '12'))
+ 39 EPUB_MAX_IMAGE_BYTES = int(os.environ.get('RSS_OFFLINE_EPUB_MAX_IMAGE_BYTES', '2000000'))
  35
  36
  37 def fetch(url: str) -> requests.Response:
  38     response = requests.get(url, timeout=TIMEOUT, headers=HEADERS)
     ...


def load_sources():
    sources = json.loads(SOURCES_PATH.read_text())
    for source in sources:
        source['captureMode'] = (source.get('captureMode') or DEFAULT_CAPTURE_MODE).lower()
    return sources

def build():

def load_sources():
    sources = json.loads(SOURCES_PATH.read_text())
    for source in sources:
        source['captureMode'] = (source.get('captureMode') or DEFAULT_CAPTURE_MODE).lower()
    return sources

def pick_article_root(soup: BeautifulSoup):
    selectors = [
        'article',
        'main',
        '[role="main"]',
        '.post',
        '.entry-content',
        '.post-content',
        '.article-content',
        '.content',
    ]
    best = None
    best_len = 0
    for selector in selectors:
        for node in soup.select(selector):
            text_len = len(node.get_text(' ', strip=True))
            if text_len > best_len:
                best = node
                best_len = text_len
    if best is not None:
        return best
    return soup.body or soup

def sanitize_article_html(page_html: str, entry: dict):
    soup = BeautifulSoup(page_html, 'html.parser')
    root = pick_article_root(soup)
    content = BeautifulSoup(str(root), 'html.parser')

    for tag in content.select('script, style, noscript, iframe, form, nav, footer, header, aside, button, input, select, textarea'):
        tag.decompose()

    for node in content.find_all(True):
        for attr in list(node.attrs):
            if attr.lower().startswith('on'):
                del node.attrs[attr]
        if node.name == 'a':
            href = node.get('href')
            if href:
                node['href'] = urljoin(entry['link'], href)
        if node.name == 'img':
            src = node.get('src') or node.get('data-src') or node.get('data-lazy-src')
            if src:
                node['src'] = urljoin(entry['link'], src)
            elif node.get('srcset'):
                first = node.get('srcset', '').split(',')[0].strip().split(' ')[0]
                if first:
                    node['src'] = urljoin(entry['link'], first)
            for noisy in ('srcset', 'sizes', 'loading', 'decoding', 'fetchpriority'):
                if noisy in node.attrs:
                    del node.attrs[noisy]

    title_html = f'
{escape(entry["title"])}
'
    meta_html = (
        '
'
        f'{escape(entry["feed"])} · {escape(entry["date_label"])} · '
        f'original'
        '
'
    )
    body_html = ''.join(str(child) for child in (content.body or content).contents).strip()
    if not body_html:
        body_html = f'
Open original article
'
    return title_html + meta_html + body_html

def fetch_binary(url: str, max_bytes: int):
    response = requests.get(url, timeout=TIMEOUT, headers=HEADERS, stream=True)
    response.raise_for_status()
    chunks = []
    size = 0
    for chunk in response.iter_content(65536):
        if not chunk:
            continue
        size += len(chunk)
        if size > max_bytes:
            response.close()
            raise ValueError('asset too large')
        chunks.append(chunk)
    response.close()
    return b''.join(chunks), response.headers.get('content-type', '').split(';')[0].strip().lower()

def make_epub_xhtml(title: str, body_html: str):
    return (
        '<?xml version="1.0" encoding="utf-8"?>\n'
        '<!DOCTYPE html>\n'
        '\n'
        '\n'
        '  <meta charset="utf-8" />\n'
        f'  <title>{escape(title)}</title>\n'
        '  <link rel="stylesheet" type="text/css" href="styles.css" />\n'
        '\n'
        '\n'
        f'{body_html}\n'
        '\n'
        '\n'
    )

def build_epub(entries):
    selected = entries[:EPUB_MAX_ARTICLES]
    if not selected:
        return None

    epub_path = OUTPUT_DIR / EPUB_FILENAME
    articles = []
    assets = {}

    for idx, entry in enumerate(selected, start=1):
        article_html = sanitize_article_html((OUTPUT_DIR / f'article-{slug(entry["link"])}.html').read_text(), entry)
        soup = BeautifulSoup(article_html, 'html.parser')
        image_count = 0
        for img in soup.find_all('img'):
            src = img.get('src')
            if not src or image_count >= EPUB_MAX_IMAGES_PER_ARTICLE:
                img.decompose()
                continue
            try:
                data, content_type = fetch_binary(src, EPUB_MAX_IMAGE_BYTES)
                ext = mimetypes.guess_extension(content_type) or Path(urlparse(src).path).suffix or '.bin'
                if ext == '.jpe':
                    ext = '.jpg'
                asset_name = f'images/{slug(src)}{ext}'
                assets.setdefault(asset_name, (data, content_type or mimetypes.guess_type(asset_name)[0] or 'application/octet-stream'))
                img['src'] = asset_name
                image_count += 1
            except Exception:
                img.decompose()
        chapter_name = f'article-{idx:03d}.xhtml'
        articles.append({
            'title': entry['title'],
            'file': chapter_name,
            'body': make_epub_xhtml(entry['title'], str(soup)),
            'entry': entry,
        })

    nav_items = ''.join(
        f'
{escape(article["title"])}
'
        for article in articles
    )
    nav_xhtml = make_epub_xhtml('Contents', f'
Contents

{nav_items}
')
    intro_body = '
{}

{} articles · generated {}

Server pack for reliable iPhone offline reading.
'.format(
        escape(EPUB_TITLE),
        len(articles),
        escape(datetime.now().astimezone().strftime('%Y-%m-%d %H:%M')),
    )
    intro_xhtml = make_epub_xhtml(EPUB_TITLE, intro_body)
    stylesheet = (
        'body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55;margin:0 auto;max-width:44em;padding:1em;color:#111;}'
        'img{max-width:100%;height:auto;display:block;margin:1em auto;}'
        'pre,code{white-space:pre-wrap;word-break:break-word;}'
        'a{color:#0b57d0;}'
        'h1,h2,h3{line-height:1.2;}'
    )

    manifest_items = [
        '<item id="nav" href="nav.xhtml" media-type="application/xhtml+xml" properties="nav"/>',
        '<item id="intro" href="intro.xhtml" media-type="application/xhtml+xml"/>',
        '<item id="css" href="styles.css" media-type="text/css"/>',
    ]
    spine_items = ['<itemref idref="intro"/>']
    for idx, article in enumerate(articles, start=1):
        manifest_items.append(f'<item id="chap{idx}" href="{article["file"]}" media-type="application/xhtml+xml"/>')
        spine_items.append(f'<itemref idref="chap{idx}"/>')
    for idx, (asset_name, (_data, media_type)) in enumerate(sorted(assets.items()), start=1):
        manifest_items.append(f'<item id="img{idx}" href="{escape(asset_name, quote=True)}" media-type="{escape(media_type, quote=True)}"/>')

    opf = f'''<?xml version="1.0" encoding="utf-8"?>
<package xmlns="http://www.idpf.org/2007/opf" unique-identifier="bookid" version="3.0">
  <metadata xmlns:dc="http://purl.org/dc/elements/1.1/">
    <dc:identifier id="bookid">urn:rss-offline:{int(time.time())}</dc:identifier>
    <dc:title>{escape(EPUB_TITLE)}</dc:title>
    <dc:language>en</dc:language>
    <dc:creator>rss-offline</dc:creator>
    <meta property="dcterms:modified">{datetime.now(timezone.utc).strftime('%Y-%m-%dT%H:%M:%SZ')}</meta>
  </metadata>
  <manifest>
    {' '.join(manifest_items)}
  </manifest>
  <spine>
    {' '.join(spine_items)}
  </spine>
</package>
'''

    with zipfile.ZipFile(epub_path, 'w') as zf:
        zf.writestr('mimetype', 'application/epub+zip', compress_type=zipfile.ZIP_STORED)
        zf.writestr('META-INF/container.xml', '''<?xml version="1.0" encoding="utf-8"?>
<container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
  <rootfiles>
    <rootfile full-path="OEBPS/content.opf" media-type="application/oebps-package+xml"/>
  </rootfiles>
</container>
''')
        zf.writestr('OEBPS/content.opf', opf)
        zf.writestr('OEBPS/nav.xhtml', nav_xhtml)
        zf.writestr('OEBPS/intro.xhtml', intro_xhtml)
        zf.writestr('OEBPS/styles.css', stylesheet)
        for article in articles:
            zf.writestr(f'OEBPS/{article["file"]}', article['body'])
        for asset_name, (data, _media_type) in assets.items():
            zf.writestr(f'OEBPS/{asset_name}', data)

    return {'path': f'/rss-offline/{EPUB_FILENAME}', 'count': len(articles)}

def build():


...
 277         source['captureMode'] = (source.get('captureMode') or DEFAULT_CAPTURE_MODE).lower()
 278     return sources
 279
 280
+281 def pick_article_root(soup: BeautifulSoup):
+282     selectors = [
+283         'article',
+284         'main',
+285         '[role="main"]',
+286         '.post',
+287         '.entry-content',
+288         '.post-content',
+289         '.article-content',
+290         '.content',
+291     ]
+292     best = None
+293     best_len = 0
+294     for selector in selectors:
+295         for node in soup.select(selector):
+296             text_len = len(node.get_text(' ', strip=True))
+297             if text_len > best_len:
+298                 best = node
+299                 best_len = text_len
+300     if best is not None:
+301         return best
+302     return soup.body or soup
+303
+304
+305 def sanitize_article_html(page_html: str, entry: dict):
+306     soup = BeautifulSoup(page_html, 'html.parser')
+307     root = pick_article_root(soup)
+308     content = BeautifulSoup(str(root), 'html.parser')
+309
+310     for tag in content.select('script, style, noscript, iframe, form, nav, footer, header, aside, button, input, select, textarea'):
+311         tag.decompose()
+312
+313     for node in content.find_all(True):
+314         for attr in list(node.attrs):
+315             if attr.lower().startswith('on'):
+316                 del node.attrs[attr]
+317         if node.name == 'a':
+318             href = node.get('href')
+319             if href:
+320                 node['href'] = urljoin(entry['link'], href)
+321         if node.name == 'img':
+322             src = node.get('src') or node.get('data-src') or node.get('data-lazy-src')
+323             if src:
+324                 node['src'] = urljoin(entry['link'], src)
+325             elif node.get('srcset'):
+326                 first = node.get('srcset', '').split(',')[0].strip().split(' ')[0]
+327                 if first:
+328                     node['src'] = urljoin(entry['link'], first)
+329             for noisy in ('srcset', 'sizes', 'loading', 'decoding', 'fetchpriority'):
+330                 if noisy in node.attrs:
+331                     del node.attrs[noisy]
+332
+333     title_html = f'
{escape(entry["title"])}
'
+334     meta_html = (
+335         '
'
+336         f'{escape(entry["feed"])} · {escape(entry["date_label"])} · '
+337         f'original'
+338         '
'
+339     )
+340     body_html = ''.join(str(child) for child in (content.body or content).contents).strip()
+341     if not body_html:
+342         body_html = f'
Open original article
'
+343     return title_html + meta_html + body_html
+344
+345
+346 def fetch_binary(url: str, max_bytes: int):
+347     response = requests.get(url, timeout=TIMEOUT, headers=HEADERS, stream=True)
+348     response.raise_for_status()
+349     chunks = []
+350     size = 0
+351     for chunk in response.iter_content(65536):
+352         if not chunk:
+353             continue
+354         size += len(chunk)
+355         if size > max_bytes:
+356             response.close()
+357             raise ValueError('asset too large')
+358         chunks.append(chunk)
+359     response.close()
+360     return b''.join(chunks), response.headers.get('content-type', '').split(';')[0].strip().lower()
+361
+362
+363 def make_epub_xhtml(title: str, body_html: str):
+364     return (
+365         '<?xml version="1.0" encoding="utf-8"?>\n'
+366         '<!DOCTYPE html>\n'
+367         '\n'
+368         '\n'
+369         '  <meta charset="utf-8" />\n'
+370         f'  <title>{escape(title)}</title>\n'
+371         '  <link rel="stylesheet" type="text/css" href="styles.css" />\n'
+372         '\n'
+373         '\n'
+374         f'{body_html}\n'
+375         '\n'
+376         '\n'
+377     )
+378
+379
+380 def build_epub(entries):
+381     selected = entries[:EPUB_MAX_ARTICLES]
+382     if not selected:
+383         return None
+384
+385     epub_path = OUTPUT_DIR / EPUB_FILENAME
+386     articles = []
+387     assets = {}
+388
+389     for idx, entry in enumerate(selected, start=1):
+390         article_html = sanitize_article_html((OUTPUT_DIR / f'article-{slug(entry["link"])}.html').read_text(), entry)
+391         soup = BeautifulSoup(article_html, 'html.parser')
+392         image_count = 0
+393         for img in soup.find_all('img'):
+394             src = img.get('src')
+395             if not src or image_count >= EPUB_MAX_IMAGES_PER_ARTICLE:
+396                 img.decompose()
+397                 continue
+398             try:
+399                 data, content_type = fetch_binary(src, EPUB_MAX_IMAGE_BYTES)
+400                 ext = mimetypes.guess_extension(content_type) or Path(urlparse(src).path).suffix or '.bin'
+401                 if ext == '.jpe':
+402                     ext = '.jpg'
+403                 asset_name = f'images/{slug(src)}{ext}'
+404                 assets.setdefault(asset_name, (data, content_type or mimetypes.guess_type(asset_name)[0] or 'application/octet-stream'))
+405                 img['src'] = asset_name
+406                 image_count += 1
+407             except Exception:
+408                 img.decompose()
+409         chapter_name = f'article-{idx:03d}.xhtml'
+410         articles.append({
+411             'title': entry['title'],
+412             'file': chapter_name,
+413             'body': make_epub_xhtml(entry['title'], str(soup)),
+414             'entry': entry,
+415         })
+416
+417     nav_items = ''.join(
+418         f'
{escape(article["title"])}
'
+419         for article in articles
+420     )
+421     nav_xhtml = make_epub_xhtml('Contents', f'
Contents

{nav_items}
')
+422     intro_body = '
{}

{} articles · generated {}

Server pack for reliable iPhone offline reading.
'.format(
+423         escape(EPUB_TITLE),
+424         len(articles),
+425         escape(datetime.now().astimezone().strftime('%Y-%m-%d %H:%M')),
+426     )
+427     intro_xhtml = make_epub_xhtml(EPUB_TITLE, intro_body)
+428     stylesheet = (
+429         'body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55;margin:0 auto;max-width:44em;padding:1em;color:#111;}'
+430         'img{max-width:100%;height:auto;display:block;margin:1em auto;}'
+431         'pre,code{white-space:pre-wrap;word-break:break-word;}'
+432         'a{color:#0b57d0;}'
+433         'h1,h2,h3{line-height:1.2;}'
+434     )
+435
+436     manifest_items = [
+437         '<item id="nav" href="nav.xhtml" media-type="application/xhtml+xml" properties="nav"/>',
+438         '<item id="intro" href="intro.xhtml" media-type="application/xhtml+xml"/>',
+439         '<item id="css" href="styles.css" media-type="text/css"/>',
+440     ]
+441     spine_items = ['<itemref idref="intro"/>']
+442     for idx, article in enumerate(articles, start=1):
+443         manifest_items.append(f'<item id="chap{idx}" href="{article["file"]}" media-type="application/xhtml+xml"/>')
+444         spine_items.append(f'<itemref idref="chap{idx}"/>')
+445     for idx, (asset_name, (_data, media_type)) in enumerate(sorted(assets.items()), start=1):
+446         manifest_items.append(f'<item id="img{idx}" href="{escape(asset_name, quote=True)}" media-type="{escape(media_type, quote=True)}"/>')
+447
+448     opf = f'''<?xml version="1.0" encoding="utf-8"?>
+449 <package xmlns="http://www.idpf.org/2007/opf" unique-identifier="bookid" version="3.0">
+450   <metadata xmlns:dc="http://purl.org/dc/elements/1.1/">
+451     <dc:identifier id="bookid">urn:rss-offline:{int(time.time())}</dc:identifier>
+452     <dc:title>{escape(EPUB_TITLE)}</dc:title>
+453     <dc:language>en</dc:language>
+454     <dc:creator>rss-offline</dc:creator>
+455     <meta property="dcterms:modified">{datetime.now(timezone.utc).strftime('%Y-%m-%dT%H:%M:%SZ')}</meta>
+456   </metadata>
+457   <manifest>
+458     {' '.join(manifest_items)}
+459   </manifest>
+460   <spine>
+461     {' '.join(spine_items)}
+462   </spine>
+463 </package>
+464 '''
+465
+466     with zipfile.ZipFile(epub_path, 'w') as zf:
+467         zf.writestr('mimetype', 'application/epub+zip', compress_type=zipfile.ZIP_STORED)
+468         zf.writestr('META-INF/container.xml', '''<?xml version="1.0" encoding="utf-8"?>
+469 <container version="1.0" xmlns="urn:oasis:names:tc:opendocument:xmlns:container">
+470   <rootfiles>
+471     <rootfile full-path="OEBPS/content.opf" media-type="application/oebps-package+xml"/>
+472   </rootfiles>
+473 </container>
+474 ''')
+475         zf.writestr('OEBPS/content.opf', opf)
+476         zf.writestr('OEBPS/nav.xhtml', nav_xhtml)
+477         zf.writestr('OEBPS/intro.xhtml', intro_xhtml)
+478         zf.writestr('OEBPS/styles.css', stylesheet)
+479         for article in articles:
+480             zf.writestr(f'OEBPS/{article["file"]}', article['body'])
+481         for asset_name, (data, _media_type) in assets.items():
+482             zf.writestr(f'OEBPS/{asset_name}', data)
+483
+484     return {'path': f'/rss-offline/{EPUB_FILENAME}', 'count': len(articles)}
+485
+486
 281 def build():
 282     DATA_DIR.mkdir(parents=True, exist_ok=True)
 283     OUTPUT_DIR.mkdir(parents=True, exist_ok=True)
 284     sources = load_sources()
     ...


**Considering article formats**

I need to make sure to sanitize the local copy, especially since it includes a banner from the article file. It might be better to use the original page HTML from the archived entry store. While I could use the local copy, I'm concerned that the root picker might pick up the banner, but the article tag should be fine. I also need to integrate build_epub and the index link into the process.

    epub_info = build_epub(archived)

    index = OUTPUT_DIR / 'index.html'
    sw = OUTPUT_DIR / 'sw.js'
    offline = OUTPUT_DIR / 'offline.html'
    json_index = OUTPUT_DIR / 'entries.json'

    json_index.write_text(json.dumps(archived, ensure_ascii=False, indent=2))

    cards = []


     ...
 546             print('OK', used_mode, entry['link'])
 547         except Exception as e:
 548             print('ARTICLE_ERR', entry['link'], e)
 549
+550     epub_info = build_epub(archived)
+551
 550     index = OUTPUT_DIR / 'index.html'
 551     sw = OUTPUT_DIR / 'sw.js'
 552     offline = OUTPUT_DIR / 'offline.html'
 553     json_index = OUTPUT_DIR / 'entries.json'
     ...


local_paths = [entry['local_path'] for entry in archived]
    index.write_text(f'''<!doctype html><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><meta name="theme-color" content="#07111f"><title>rss-offline</title>

rss-offline

Artículos por fecha con página local completa, modo visible y link real.

{len(archived)} artículos · últimos {DAYS} días

{''.join(cards)}''')

local_paths = [entry['local_path'] for entry in archived]
    epub_cta = ''
    if epub_info:
        epub_cta = f'
Descargar EPUB offline · {epub_info["count"]} artículos
'
    index.write_text(f'''<!doctype html><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><meta name="theme-color" content="#07111f"><title>rss-offline</title>

rss-offline

Artículos por fecha con página local completa, modo visible y link real.
{epub_cta}

{len(archived)} artículos · últimos {DAYS} días

{''.join(cards)}''')


...
 560     for entry in archived:
 561         cards.append(f'''

{escape(entry['title'])}

{escape(entry['feed'])} · {escape(entry['date_label'])}

modo: {escape(entry['captured_mode'])} · blog real

''')
 562
 563     local_paths = [entry['local_path'] for entry in archived]
-564     index.write_text(f'''<!doctype html><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><meta name="theme-color" content="#07111f"><title>rss-offline</title>

rss-offline

Artículos por fecha con página local completa, modo visible y link real.

{len(archived)} artículos · últimos {DAYS} días

{''.join(cards)}''')
+564     epub_cta = ''
+565     if epub_info:
+566         epub_cta = f'
Descargar EPUB offline · {epub_info["count"]} artículos
'
+567     index.write_text(f'''<!doctype html><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><meta name="theme-color" content="#07111f"><title>rss-offline</title>

rss-offline

Artículos por fecha con página local completa, modo visible y link real.
{epub_cta}

{len(archived)} artículos · últimos {DAYS} días

{''.join(cards)}''')
 565
 566     offline.write_text('<!doctype html><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>rss-offline sin conexión</title>
Sin conexión

La lista y copias locales visitadas deberían seguir disponibles.

Volver a rss-offline
')
 567
 568     precache_paths = ['/rss-offline/', '/rss-offline/offline.html', '/rss-offline/entries.json'] + [entry['local_path'] for entry in archived]
     ...


**Considering service workers**

I think I need to look into whether I should precache an EPUB file with a service worker. I wonder if adding a specific path will help ensure it loads correctly. It’s interesting that service workers can manage caching, but I want to make sure I fully understand the steps required to implement this. Okay, let's explore setting that up and see how it all fits together!

precache_paths = ['/rss-offline/', '/rss-offline/offline.html', '/rss-offline/entries.json'] + [entry['local_path'] for entry in archived]

precache_paths = ['/rss-offline/', '/rss-offline/offline.html', '/rss-offline/entries.json'] + ([epub_info['path']] if epub_info else []) + [entry['local_path'] for entry in archived]


...
 567     index.write_text(f'''<!doctype html><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><meta name="theme-color" content="#07111f"><title>rss-offline</title>

rss-offline

Artículos por fecha con página local completa, modo visible y link real.
{epub_cta}

{len(archived)} artículos · últimos {DAYS} días

{''.join(cards)}''')
 568
 569     offline.write_text('<!doctype html><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>rss-offline sin conexión</title>
Sin conexión

La lista y copias locales visitadas deberían seguir disponibles.

Volver a rss-offline
')
 570
-571     precache_paths = ['/rss-offline/', '/rss-offline/offline.html', '/rss-offline/entries.json'] + [entry['local_path'] for entry in archived]
+571     precache_paths = ['/rss-offline/', '/rss-offline/offline.html', '/rss-offline/entries.json'] + ([epub_info['path']] if epub_info else []) + [entry['local_path'] for entry in archived]
 572     sw.write_text(f"""const V='rss-offline-v4';const CORE=V+'-core';const PAGES=V+'-pages';const PRECACHE={json.dumps(precache_paths, ensure_ascii=False)};self.addEventListener('install',e=>{{e.waitUntil(caches.open(CORE).then(c=>c.addAll(PRECACHE)));self.skipWaiting();}});self.addEventListener('activate',e=>{{e.waitUntil(caches.keys().then(keys=>Promise.all(keys.filter(k=>!k.startsWith(V)).map(k=>caches.delete(k)))).then(()=>self.clients.claim()));}});self.addEventListener('fetch',e=>{{const r=e.request;const u=new URL(r.url);if(r.method!=='GET'||u.origin!==self.location.origin||!u.pathname.startsWith('/rss-offline/'))return;e.respondWith((async()=>{{const core=await caches.open(CORE);const pages=await caches.open(PAGES);const cached=await core.match(r)||await pages.match(r);try{{const res=await fetch(r);if(res.ok) await pages.put(r,res.clone());return res;}}catch{{return cached||await core.match('/rss-offline/offline.html')||Response.error();}}}})());}});""")
 573
 574
 575 if __name__ == '__main__':
     ...


bash

cd /home/sebas/work/projects/rss-offline && python3 build.py


Command timed out after 120 seconds


**Considering performance improvements**

I'm noticing that the current process might be too slow. I think using a smaller environment could help speed things up. I’ll try running it with fewer entries so it’s more manageable and can respond more quickly. It also might be beneficial to inspect any errors that arise during this process. Hopefully, that’ll lead to better overall performance! I'll get on that now.

cd /home/sebas/work/projects/rss-offline && RSS_OFFLINE_MAX_ENTRIES=12 RSS_OFFLINE_MAX_RENDERED_ENTRIES=3 RSS_OFFLINE_EPUB_MAX_ARTICLES=6 python3 build.py > /tmp/rss_epub_test.log 2>&1; echo $?; tail -n 80 /tmp/rss_epub_test.log


Command timed out after 180 seconds


**Exploring image formats**

I'm pondering how to read this image file. Could it be in binary format? It seems like a good idea to use a bash command to check its content. Perhaps I should try using `file` or `head` to get a sense of what the image holds. I'm curious about the details and want to ensure I approach this correctly. Let's see what I can uncover!

file /tmp/rss_epub_test.log && ls -l /tmp/rss_epub_test.log && python3 - <<'PY'
from pathlib import Path
p=Path('/tmp/rss_epub_test.log')
print(p.read_text(errors='replace')[:4000])
PY


/tmp/rss_epub_test.log: empty
-rw-rw-r-- 1 sebas sebas 0 May 20 06:02 /tmp/rss_epub_test.log


**Considering troubleshooting methods**

I think I might be hanging on network or chromium, so maybe I should try using a shorter timeout. Using `python -m trace` could simplify things, especially with small days. Hm, it could be good to verify syntax using `py_compile` first to catch any issues. I want to make sure I'm on the right track and that everything is working smoothly! Let's see how this approach might help troubleshoot the problem effectively.

python3 -m py_compile /home/sebas/work/projects/rss-offline/build.py && echo OK


OK


**Evaluating options for building an EPUB**

I’m considering whether I should run a smaller version using a monkey patch. Maybe I could import and build the EPUB with the existing local copies found in /var/www/rss-offline. I think it’s essential to take a look at the number of files I currently have in that directory. Understanding the existing files count might help clarify my next steps!

ls -1 /var/www/rss-offline | sed -n '1,40p' && echo '---' && ls /var/www/rss-offline/*.html 2>/dev/null | wc -l && ls /var/www/rss-offline/*.epub 2>/dev/null | wc -l


article-00517e9920463688.html
article-01abb99c09e69454.html
article-0409e49d86e8a171.html
article-07fe8783d6f3ac08.html
article-0b08cc8daf2cd6f8.html
article-0fdf7c0575324c55.html
article-1097ba82e0f71b98.html
article-12d956c293300f05.html
article-22c38e85613911ce.html
article-286013b9db8727e4.html
article-30626cf6c11f2a57.html
article-30d6e4faa988619a.html
article-37e4cd2922d14c57.html
article-4c9caf07a88326ae.html
article-4d443773127eb5bb.html
article-57c425cc2a4fe9bb.html
article-5de306c8f07b39cf.html
article-60a3bacc8d20f732.html
article-66d66f99fd29fb39.html
article-74f95f5ce84e2847.html
article-763d0e7f1d9c5469.html
article-76e67a998600e970.html
article-779e8c793e4c6f70.html
article-8ebb1572829e77ef.html
article-9084e1d1eaaaa4a1.html
article-971e5ff677f0c0f4.html
article-9ec345ce998e8b2b.html
article-a4139cbabb03f50a.html
article-a5c352e10c62e36a.html
article-a7a71f6bda7d944f.html
article-a811a16760980904.html
article-b1de76efb323ff82.html
article-baf0560bfe83e07a.html
article-bb51898f223204ef.html
article-be577c6425356c70.html
article-c49c56b7ed458190.html
article-c858592a149e5a01.html
article-cafc54395b674132.html
article-cbebf207f4772426.html
article-ee31b1556857165d.html
---
44
1


ls -lh /var/www/rss-offline/*.epub && unzip -l /var/www/rss-offline/rss-offline-latest.epub | sed -n '1,80p'


-rw-r--r-- 1 root root 15M May 20 06:04 /var/www/rss-offline/rss-offline-latest.epub
Archive:  /var/www/rss-offline/rss-offline-latest.epub
  Length      Date    Time    Name
---------  ---------- -----   ----
       20  2026-05-20 06:04   mimetype
      252  2026-05-20 06:04   META-INF/container.xml
    11929  2026-05-20 06:04   OEBPS/content.opf
     3178  2026-05-20 06:04   OEBPS/nav.xhtml
      403  2026-05-20 06:04   OEBPS/intro.xhtml
      300  2026-05-20 06:04   OEBPS/styles.css
   151051  2026-05-20 06:04   OEBPS/article-001.xhtml
   563121  2026-05-20 06:04   OEBPS/article-002.xhtml
   563155  2026-05-20 06:04   OEBPS/article-003.xhtml
    16560  2026-05-20 06:04   OEBPS/article-004.xhtml
     8090  2026-05-20 06:04   OEBPS/article-005.xhtml
    33472  2026-05-20 06:04   OEBPS/article-006.xhtml
    22289  2026-05-20 06:04   OEBPS/article-007.xhtml
    52408  2026-05-20 06:04   OEBPS/article-008.xhtml
   563116  2026-05-20 06:04   OEBPS/article-009.xhtml
   563155  2026-05-20 06:04   OEBPS/article-010.xhtml
    11401  2026-05-20 06:04   OEBPS/article-011.xhtml
    26123  2026-05-20 06:04   OEBPS/article-012.xhtml
    23921  2026-05-20 06:04   OEBPS/article-013.xhtml
     1920  2026-05-20 06:04   OEBPS/article-014.xhtml
     5821  2026-05-20 06:04   OEBPS/article-015.xhtml
   563155  2026-05-20 06:04   OEBPS/article-016.xhtml
     9380  2026-05-20 06:04   OEBPS/article-017.xhtml
    11966  2026-05-20 06:04   OEBPS/article-018.xhtml
    50236  2026-05-20 06:04   OEBPS/article-019.xhtml
    67098  2026-05-20 06:04   OEBPS/article-020.xhtml
   563116  2026-05-20 06:04   OEBPS/article-021.xhtml
     4161  2026-05-20 06:04   OEBPS/article-022.xhtml
    17322  2026-05-20 06:04   OEBPS/article-023.xhtml
    14097  2026-05-20 06:04   OEBPS/article-024.xhtml
     3948  2026-05-20 06:04   OEBPS/article-025.xhtml
     7573  2026-05-20 06:04   OEBPS/article-026.xhtml
    80064  2026-05-20 06:04   OEBPS/article-027.xhtml
    16168  2026-05-20 06:04   OEBPS/article-028.xhtml
    14238  2026-05-20 06:04   OEBPS/article-029.xhtml
    68293  2026-05-20 06:04   OEBPS/article-030.xhtml
     5221  2026-05-20 06:04   OEBPS/article-031.xhtml
     1479  2026-05-20 06:04   OEBPS/images/d6b4b1fa029bd045.jpg
     1366  2026-05-20 06:04   OEBPS/images/c2f6fd24b045831c.jpg
    70539  2026-05-20 06:04   OEBPS/images/f62fd99234c89c30.jpg
    41552  2026-05-20 06:04   OEBPS/images/e1a6bd593d69ad05.jpg
    69266  2026-05-20 06:04   OEBPS/images/7b21fc2efb10c9c2.jpg
    52534  2026-05-20 06:04   OEBPS/images/8681690a1539814d.jpg
   242346  2026-05-20 06:04   OEBPS/images/3236f7323af5d21f.jpg
    42960  2026-05-20 06:04   OEBPS/images/d3dccb48caaef0c2.jpg
   196478  2026-05-20 06:04   OEBPS/images/0fdb7de1829bfe02.jpg
    48722  2026-05-20 06:04   OEBPS/images/02b61cc4ea8432a6.jpg
   176175  2026-05-20 06:04   OEBPS/images/297a8624d3317d41.jpg
   114972  2026-05-20 06:04   OEBPS/images/6da15ba72d854a94.jpg
    84236  2026-05-20 06:04   OEBPS/images/a71e5348622c4225.png
     6841  2026-05-20 06:04   OEBPS/images/7db4136ef1a2baab.jpg
    77284  2026-05-20 06:04   OEBPS/images/9590e9f68ba117a0.png
    34594  2026-05-20 06:04   OEBPS/images/d885b5965334506c.png
     8131  2026-05-20 06:04   OEBPS/images/8e9d724704a93846.jpg
    22660  2026-05-20 06:04   OEBPS/images/3d2dc0cc33a9f982.png
    78706  2026-05-20 06:04   OEBPS/images/1286fde071afda45.gif
    21923  2026-05-20 06:04   OEBPS/images/ca106bba72d0da99.png
      677  2026-05-20 06:04   OEBPS/images/55d24d1d9dc5f460.svg
    10853  2026-05-20 06:04   OEBPS/images/f5b8dc756968f9df.jpg
    25340  2026-05-20 06:04   OEBPS/images/1554475992e2a067.png
    22923  2026-05-20 06:04   OEBPS/images/0172d5f272455518.png
    21555  2026-05-20 06:04   OEBPS/images/388dd17ea4566020.png
     1220  2026-05-20 06:04   OEBPS/images/d2f21c6b4e4c7100.jpg
     1402  2026-05-20 06:04   OEBPS/images/acaa241c21de6e7d.jpg
    29799  2026-05-20 06:04   OEBPS/images/a60ac7431b8d92ac.jpg
    60271  2026-05-20 06:04   OEBPS/images/38210da68376699c.jpg
    15328  2026-05-20 06:04   OEBPS/images/c6c526afbd939fbd.jpg
    25202  2026-05-20 06:04   OEBPS/images/fd5c19aaa842ed61.jpg
    30635  2026-05-20 06:04   OEBPS/images/6ef817d3770a6fd7.jpg
     1895  2026-05-20 06:04   OEBPS/images/3c998026153f622e.png
     1168  2026-05-20 06:04   OEBPS/images/aa7df6812d37a6f7.jpg
     1076  2026-05-20 06:04   OEBPS/images/ecaa6a638cf646a6.jpg
     1205  2026-05-20 06:04   OEBPS/images/49c0b0dd43736743.jpg
     3236  2026-05-20 06:04   OEBPS/images/a5af9c115a8fde42.png
     4941  2026-05-20 06:04   OEBPS/images/1c9854d3c016c8b0.jpg
    20134  2026-05-20 06:04   OEBPS/images/194b350857430896.png
    14711  2026-05-20 06:04   OEBPS/images/a320ed15384bc372.png


grep -n "EPUB" -n /var/www/rss-offline/index.html | head


(no output)


**Considering build options**

It seems I've run into a timeout while trying to build, so now I'm thinking about running only the EPUB build against the existing entries instead of going for a full build. But since the user wanted everything in one go, I could report that the implementation is done, but the full build might not be possible due to timing. I might need to check the code quality and think about creating a helper command to generate EPUBs quickly from existing entries. Let’s pursue that!

python3 - <<'PY'
import json
from pathlib import Path
import sys
sys.path.insert(0,'/home/sebas/work/projects/rss-offline')
import build
entries=json.loads(Path('/var/www/rss-offline/entries.json').read_text())
print(build.build_epub(entries))
PY


Traceback (most recent call last):
  File "<stdin>", line 7, in <module>
  File "/home/sebas/work/projects/rss-offline/build.py", line 466, in build_epub
    with zipfile.ZipFile(epub_path, 'w') as zf:
         ~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/zipfile/__init__.py", line 1367, in __init__
    self.fp = io.open(file, filemode)
              ~~~~~~~^^^^^^^^^^^^^^^^
PermissionError: [Errno 13] Permission denied: '/var/www/rss-offline/rss-offline-latest.epub'

Command exited with code 1


**Inspecting permissions**

I need to check the permissions for a script that might have run with sudo earlier. Maybe we can use sudo again? It's possible, but first, I should inspect whether /var/www/rss-offline is root-owned. It seems like it was able to write before, possibly through a cron job that used sudo. If that's the case, I wonder if as a regular user, I can overwrite it. I'll check on that.

ls -ld /var/www/rss-offline /var/www/rss-offline/rss-offline-latest.epub /var/www/rss-offline/index.html /var/www/rss-offline/entries.json


drwxr-xr-x 3 root root     4096 May 20 06:04 /var/www/rss-offline
-rw-r--r-- 1 root root    14120 May 20 06:04 /var/www/rss-offline/entries.json
-rw-r--r-- 1 root root    15270 May 20 06:04 /var/www/rss-offline/index.html
-rw-r--r-- 1 root root 15408666 May 20 06:04 /var/www/rss-offline/rss-offline-latest.epub


sudo -n true && echo SUDO_OK || echo NO_SUDO


**Figuring out build process**

I think I need to rerun something with sudo while preserving the environment. It might speed things up. I could use existing entries for the EPUB and manually patch the index since the full build takes too long. What if I generate the EPUB from those entries and then adjust the index based on the existing file? A longer timeout may be necessary, so I might set it to 600 seconds and run it with sudo. Let's see if that works!

cd /home/sebas/work/projects/rss-offline && sudo -n python3 build.py > /tmp/rss_full_build.log 2>&1; echo $?; tail -n 120 /tmp/rss_full_build.log


0
OK rendered https://simonw.substack.com/p/the-last-six-months-in-llms-in-five
OK simple https://tailscale.com/changelog/#2026-05-19-service
OK rendered https://tailscale.com/changelog/#2026-05-19-service
OK rendered https://github.blog/news-insights/product-news/take-your-local-github-sessions-anywhere/
OK rendered https://leadershipintech.com/newsletters/2281-how-to-stay-resilient-in-a-difficult-job
OK rendered https://github.blog/ai-and-ml/github-copilot/building-a-general-purpose-accessibility-agent-and-what-we-learned-in-the-process/
OK rendered https://github.blog/security/raising-the-bar-quality-shared-responsibility-and-the-future-of-githubs-bug-bounty-program/
OK rendered https://supernuclear.substack.com/p/repost-meet-cheryl-your-coliving
OK rendered https://tailscale.com/changelog/#2026-05-15-client
OK simple https://tailscale.com/changelog/#2026-05-15-service
OK simple https://openclaw.ai/blog/where-openclaw-security-is-heading/
OK simple https://github.blog/news-insights/company-news/github-availability-report-april-2026/
OK simple https://github.blog/engineering/architecture-optimization/from-latency-to-instant-modernizing-github-issues-navigation-performance/
OK simple https://gomakethings.com/we-are-miracles/
OK simple https://leadershipintech.com/newsletters/2277-before-you-fire-all-your-glue-people-because-of-ai
OK simple https://tailscale.com/changelog/#2026-05-14-service
OK simple https://martinalderson.com/posts/managed-agents-are-the-new-lambda/?utm_source=rss&utm_medium=rss&utm_campaign=feed
OK simple https://openclaw.ai/blog/openai-models-in-openclaw-done-right/
OK simple https://www.digitalocean.com/blog/your-infrastructure-matters
OK simple https://github.blog/open-source/gaming/dungeons-desktops-10-roguelikes-that-never-die-because-their-communities-wont-let-them/
OK simple https://tailscale.com/changelog/#2026-05-13-client
OK simple https://github.blog/news-insights/company-news/github-copilot-individual-plans-introducing-flex-allotments-in-pro-and-pro-and-a-new-max-plan/
OK simple https://github.blog/ai-and-ml/github-copilot/dungeons-desktops-building-a-procedurally-generated-roguelike-with-github-copilot-cli/
OK simple https://github.blog/developer-skills/github/github-for-beginners-getting-started-with-oss-contributions/
OK simple https://gomakethings.com/pruning-harvesting-replanting-and-other-forced-metaphors/
OK simple https://leadershipintech.com/newsletters/2276-when-everyone-has-ai-and-the-company-still-learns-nothing
OK simple https://simonw.substack.com/p/vibe-coding-and-agentic-engineering
OK simple https://github.blog/news-insights/policy-news-and-insights/why-age-assurance-laws-matter-for-developers/
OK simple https://lucumr.pocoo.org/2026/5/8/local-models/
OK simple https://supernuclear.substack.com/p/what-popup-villages-teach-us-about
OK simple https://leadershipintech.com/newsletters/2272-agile-in-the-age-of-ai


grep -n "Descargar EPUB offline\|rss-offline-latest.epub" /var/www/rss-offline/index.html | head -n 5 && echo '---' && ls -lh /var/www/rss-offline/rss-offline-latest.epub && echo '---' && unzip -t /var/www/rss-offline/rss-offline-latest.epub | tail -n 3

python3 - <<'PY'
import json
from pathlib import Path
entries=json.loads(Path('/var/www/rss-offline/entries.json').read_text())
print('entries',len(entries))
print('first',entries[0]['title'])
PY


1:<!doctype html><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><meta name="theme-color" content="#07111f"><title>rss-offline</title>

rss-offline

Artículos por fecha con página local completa, modo visible y link real.

Descargar EPUB offline · 31 artículos

31 artículos · últimos 14 días

The last six months in LLMs in five minutes

Simon Willison’s Newsletter · 2026-05-19 01:30

modo: rendered · blog real

Manage domain names

Changelog on Tailscale · 2026-05-18 21:00

modo: simple · blog real

Tailscale Terraform Provider v0.29.1

Changelog on Tailscale · 2026-05-18 21:00

modo: rendered · blog real

Take your local GitHub sessions anywhere

The GitHub Blog · 2026-05-18 13:54

modo: rendered · blog real

How to stay resilient in a difficult job

Leadership in Tech · 2026-05-17 15:05

modo: rendered · blog real

Building a general-purpose accessibility agent—and what we learned in the process

The GitHub Blog · 2026-05-15 13:00

modo: rendered · blog real

Raising the bar: Quality, shared responsibility, and the future of GitHub’s bug bounty program

The GitHub Blog · 2026-05-15 11:00

modo: rendered · blog real

[Repost] Meet Cheryl, your coliving nemesis

Supernuclear · 2026-05-15 10:33

modo: rendered · blog real

Tailscale v1.98.2

Changelog on Tailscale · 2026-05-14 21:00

modo: rendered · blog real

Tailscale Terraform Provider v0.29.0

Changelog on Tailscale · 2026-05-14 21:00

modo: simple · blog real

Where OpenClaw Security Is Heading

OpenClaw Blog · 2026-05-14 21:00

modo: simple · blog real

GitHub availability report: April 2026

The GitHub Blog · 2026-05-14 19:02

modo: simple · blog real

From latency to instant: Modernizing GitHub Issues navigation performance

The GitHub Blog · 2026-05-14 13:00

modo: simple · blog real

We are miracles

Go Make Things · 2026-05-14 04:30

modo: simple · blog real

Before you fire all your glue people because of AI

Leadership in Tech · 2026-05-14 03:05

modo: simple · blog real

Purchase additional tagged resources

Changelog on Tailscale · 2026-05-13 21:00

modo: simple · blog real

Managed agents are the new Lambda

Martin Alderson · 2026-05-13 21:00

modo: simple · blog real

OpenAI Models in OpenClaw, Done Right

OpenClaw Blog · 2026-05-13 21:00

modo: simple · blog real

Your Model Doesn't Matter. Your Infrastructure Does.

DigitalOcean Blog · 2026-05-13 13:45

modo: simple · blog real

Dungeons & Desktops: 10 roguelikes that never die (because their communities won’t let them)

The GitHub Blog · 2026-05-13 13:00

modo: simple · blog real

Tailscale v1.98.1

Changelog on Tailscale · 2026-05-12 21:00

modo: simple · blog real

GitHub Copilot individual plans: Introducing flex allotments in Pro and Pro+, and a new Max plan

The GitHub Blog · 2026-05-12 14:35

modo: simple · blog real

Dungeons & Desktops: Building a procedurally generated roguelike with GitHub Copilot CLI

The GitHub Blog · 2026-05-12 12:00

modo: simple · blog real

GitHub for Beginners: Getting started with OSS contributions

The GitHub Blog · 2026-05-11 13:00

modo: simple · blog real

Pruning, harvesting, replanting, and other forced metaphors

Go Make Things · 2026-05-11 04:30

modo: simple · blog real

When everyone has AI and the company still learns nothing

Leadership in Tech · 2026-05-10 15:05

modo: simple · blog real

Vibe coding and agentic engineering are getting closer than I’d like

Simon Willison’s Newsletter · 2026-05-08 14:33

modo: simple · blog real

Why age assurance laws matter for developers

The GitHub Blog · 2026-05-08 13:30

modo: simple · blog real

Pushing Local Models With Focus And Polish

Armin Ronacher's Thoughts and Writings · 2026-05-07 21:00

modo: simple · blog real

What Popup Villages Teach Us About Permanent Ones (and Vice Versa)

Supernuclear · 2026-05-07 10:28

modo: simple · blog real

Agile in the age of AI

Leadership in Tech · 2026-05-07 03:05

modo: simple · blog real

---
-rw-r--r-- 1 root root 14M May 20 06:10 /var/www/rss-offline/rss-offline-latest.epub
---
    testing: OEBPS/images/5b555e47a923f84a.jpg   OK
    testing: OEBPS/images/08e9ad29422ab4dd.jpg   OK
No errors detected in compressed data of /var/www/rss-offline/rss-offline-latest.epub.


entries 31
first The last six months in LLMs in five minutes


**Finalizing project plans**

I’m thinking I might need a URL to provide a status and feasibility plan, while also noting some caveats. There are some duplicates, and I noticed a Tailscale issue where the same link causes duplicate entries. It’s important to mention any related usage instructions, like for iPhone users. It feels like I might be done with this prototype. Should I write this into memory at the end? I’ll consider using a simple curl ingest, as well. Let’s mark the task as complete!

todo

Implemented first EPUB export in rss-offline build, rebuilt site, and published downloadable EPUB at /rss-offline/rss-offline-latest.epub.


Updated #1 (in_progress → completed)

Prototype EPUB output for rss-offline


bash

curl -sS -X POST http://100.116.176.16:8091/api/ingest -H 'Content-Type: application/json' -d @- <<'JSON'
{
  "memories": [
    {
      "type": "decision",
      "scope": "project",
      "project_id": "pi-config",
      "repo_id": "pi-config",
      "origin_agent": "personal-agent",
      "content": "For BB-004 rss-offline, Sebas chose to try an EPUB-based offline pack first for iPhone reliability instead of relying on Safari/service-worker cache as the primary offline layer. A first working EPUB export was added to /home/sebas/work/projects/rss-offline/build.py and published at /rss-offline/rss-offline-latest.epub from the existing rss-offline rebuild flow.",
      "tags": ["bb-004", "rss-offline", "epub", "iphone", "offline-reading"]
    }
  ]
}
JSON


<!DOCTYPE HTML>

        <meta charset="utf-8">
        <title>Error response</title>

Error response

Error code: 400

Message: Missing field: 'type'.

Error code explanation: 400 - Bad request syntax or unsupported method.


**Considering API inspection**

I need to inspect the API, and it looks like I might have to use the memory-write skill. First things first, I should read through the skill documentation to understand its functionalities better. I want to ensure I’m using it correctly and effectively to meet my tasks. It's all about getting that clarity before moving forward! Let’s see what I can uncover.


---
name: memory-write
description: Save a durable high-signal memory into agents-database
---

# memory-write

## Use When

- new information is likely useful beyond current chat or task
- saving a decision, preference, project fact, reusable source/artifact, or handoff summary
- user asks to remember something durable

## Do Not Use When

- content is trivial, redundant, ephemeral, or likely useless later
- content is secret unless user explicitly asked to store it

## Required Workflow

1. If useful context may already exist, optionally check first:
   - `curl -fsSL "${AGENTS_DB_API:-http://100.116.176.16:8091}/api/search?q=<query>&scope=global&scope=project&limit=10"`
2. Choose best memory type:
   - `profile`: stable user preference, priority, recurring constraint
   - `decision`: chosen approach or operating rule
   - `project`: durable project fact or invariant
   - `artifact`: reusable source, claim, reference, output
   - `episode`: concise session summary, blocked state, handoff context
3. Build a concise payload with:
   - required: `type`, `scope`, `title`, `content`
   - recommended when known: `subtype`, `project_id`, `repo_id`, `task_id`, `run_id`, `source_ref`, `origin_agent`, `url`, `domain`, `metadata`
4. Save it with the helper:
   - `~/.agents/skills/memory-write/memory-write --type <type> --scope <scope> --title "<title>" --content "<content>"`
5. Confirm the created memory id and what was stored.

## Quick Examples

```bash
~/.agents/skills/memory-write/memory-write \
  --type profile \
  --subtype working_preference \
  --scope global \
  --title "User prefers concise status updates" \
  --content "Sebas prefers short, direct updates with business impact first." \
  --source-ref "conversation:2026-04-17" \
  --origin-agent personal-agent

~/.agents/skills/memory-write/memory-write \
  --type decision \
  --subtype operating_rule \
  --scope global \
  --title "Agents should save durable high-signal memory opportunistically" \
  --content "Treat agents-database as shared durable memory, not only search." \
  --metadata '{"source":"conversation"}'
```

## Rules

- prefer one strong memory over many weak ones
- keep `title` short and searchable
- keep `content` factual and compact
- use `episode` for summaries, not for every chat turn
- include `url` and `domain` for web-derived artifacts when known
- include `project_id`, `repo_id`, `task_id`, and `run_id` when context exists


~/.agents/skills/memory-write/memory-write --type decision --scope project --title "BB-004 EPUB-first offline pack" --content "For BB-004 rss-offline, Sebas chose an EPUB-first offline pack path for iPhone reliability instead of relying on Safari cache as the main offline layer. A first working EPUB export was added in /home/sebas/work/projects/rss-offline/build.py and published at /rss-offline/rss-offline-latest.epub from the existing rebuild flow." --project-id pi-config --repo-id pi-config --source-ref "conversation:2026-05-20-rss-epub" --origin-agent personal-agent


Traceback (most recent call last):
  File "/home/sebas/.agents/skills/memory-write/memory-write", line 86, in <module>
    main()
    ~~~~^^
  File "/home/sebas/.agents/skills/memory-write/memory-write", line 80, in main
    with urllib.request.urlopen(req, timeout=30) as r:
         ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/urllib/request.py", line 189, in urlopen
    return opener.open(url, data, timeout)
           ~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/urllib/request.py", line 495, in open
    response = meth(req, response)
  File "/usr/lib/python3.13/urllib/request.py", line 604, in http_response
    response = self.parent.error(
        'http', request, response, code, msg, hdrs)
  File "/usr/lib/python3.13/urllib/request.py", line 533, in error
    return self._call_chain(*args)
           ~~~~~~~~~~~~~~~~^^^^^^^
  File "/usr/lib/python3.13/urllib/request.py", line 466, in _call_chain
    result = func(*args)
  File "/usr/lib/python3.13/urllib/request.py", line 613, in http_error_default
    raise HTTPError(req.full_url, code, msg, hdrs, fp)
urllib.error.HTTPError: HTTP Error 500: FOREIGN KEY constraint failed

Command exited with code 1


**Evaluating project details**

I'm considering whether I should omit the project ID since it seems invalid. Maybe I should use a global scope instead, but the guidelines say to include it when known. I wonder if it’s related to a non-existent foreign key. Overall, I think it might be best to just leave out the IDs for clarity and to avoid confusion. I’m trying to find the best way to handle this situation!

~/.agents/skills/memory-write/memory-write --type decision --scope project --title "BB-004 EPUB-first offline pack" --content "For BB-004 rss-offline, Sebas chose an EPUB-first offline pack path for iPhone reliability instead of relying on Safari cache as the main offline layer. A first working EPUB export was added in /home/sebas/work/projects/rss-offline/build.py and published at /rss-offline/rss-offline-latest.epub from the existing rebuild flow." --source-ref "conversation:2026-05-20-rss-epub" --origin-agent personal-agent


BB-004 EPUB-first offline pack

For BB-004 rss-offline, Sebas chose an EPUB-first offline pack path for iPhone reliability instead of relying on Safari cache as the main offline layer. A first working EPUB export was added in /home/sebas/work/projects/rss-offline/build.py and published at /rss-offline/rss-offline-latest.epub from the existing rebuild flow.

Summary: For BB-004 rss-offline, Sebas chose an EPUB-first offline pack path for iPhone reliability instead of relying on Safari cache as the main offline layer. A first working EPUB expor…


**Considering memory and format**

I’m thinking about whether I need to mention saving to memory; maybe it’s not strictly necessary, but it could be helpful. I’ll aim for a final concise output. I also need to include the exact URL as a full clickable link, as per the instructions. Perhaps I can mention that it’s usable on a phone and that there was a changed file path. Overall, I want to keep my bullet points manageable, around 37 or less.

Done.

Status
- feasibility: **yes**
- prototype: **implemented**
- site rebuilt: **yes**
- EPUB live: **yes**

Use
- web:
  `https://ballbox-first.emperor-ratio.ts.net/rss-offline/`
- epub direct:
  `https://ballbox-first.emperor-ratio.ts.net/rss-offline/rss-offline-latest.epub`

What changed
- added EPUB export to:
  `/home/sebas/work/projects/rss-offline/build.py`
- rebuild now generates:
  `rss-offline-latest.epub`
- index now shows:
  `Descargar EPUB offline`

v1 behavior
- packs latest articles into one EPUB
- keeps title, date, source link
- tries to keep article images
- uses cleaned readable content
- keeps existing `/rss-offline/` flow intact

Why this is better for iPhone
- offline no longer depends on Safari cache
- one explicit download
- better fit for Apple Books / share sheet flow

Caveats
- not original page styling 1:1
- some sites still clean imperfectly
- complex embeds/JS won’t survive
- current output is readable-first, not fidelity-first

Implementation plan from here
1. test on iPhone + Apple Books
2. inspect failures/ugly articles
3. improve content extraction heuristics
4. add “save selected items” or
   daily/weekly pack modes
5. optional later:
   per-article PDF snapshot

Extra
- saved durable memory:
  `mem_fc344ecfd47a4f1cb669306f791a26f1`

If you want, next I can:
- tighten the extractor for better article quality
- add a smaller “today only” EPUB
- add a “send to Books” friendly button flow


[telegram] file size?


ls -lh /var/www/rss-offline/rss-offline-latest.epub && stat -c '%s' /var/www/rss-offline/rss-offline-latest.epub


-rw-r--r-- 1 root root 14M May 20 06:10 /var/www/rss-offline/rss-offline-latest.epub
14610061


Current size:
- **14 MB**
- exact: `14,610,061` bytes


[telegram] it is quite broken. text, images, styles, all. try pdf


**Planning PDF updates**

I need to respond and likely create a task update regarding the user's request to try a PDF. There's no need to ask them for clarification. I'll update the task or create a new one and mention my plan to execute it. Since they asked to "try PDF," it makes sense to follow through. I should also check if Chromium can print PDF documents. Let’s get started on this task update and keep it concise!

todo

Prototype PDF output for rss-offline

Replace or complement the broken EPUB experiment with a PDF-based offline pack path for iPhone testing, aiming for better fidelity of text, images, and page styling.


Created #2: Prototype PDF output for rss-offline (pending)

Prototype PDF output for rss-offline

Prototype EPUB output for rss-offline

Prototype PDF output for rss-offline


Updated #2 (pending → in_progress)

Prototype EPUB output for rss-offline

Prototype PDF output for rss-offline


Yes. EPUB path not good enough.

Switching to PDF prototype.

Plan
- use Chromium print-to-PDF
- generate per-article snapshots first
- then test merged pack if worth it
- keep web flow intact

Why PDF now
- much better style fidelity
- images/layout survive better
- less reader-side reinterpretation than EPUB

Tradeoff
- heavier files
- worse reflow on phone
- but better match for your stated goal

I’ll build the PDF path next.


[telegram] go


bash

which pdfunite || true && which gs || true && which qpdf || true && which chromium || true


/usr/bin/pdfunite
/usr/bin/gs
/usr/bin/chromium