feat: reading progress with resume and library read badges #72
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What
Client-side per-variant reading progress: last page, page count, a sticky finished flag, and a timestamp, recorded from the reader.
reading_progress.jsonin the app config dir via a newReadingProgressStore(app/lib/data/reading_progress_store.dart). Per ADR 0023, user/client preferences stay client-side; a null path degrades to a no-op (same pattern as the assistant's MemoryStore). Progress is loaded at startup into a new Redux slice, with a_persistReadingProgressEpichandling debounced writes onRecordReadingProgressActionand a flush onClearReaderAction.?page=.Tests cover the reducer, the store (round-trip, corrupt file, null path), reader recording, detail-page resume, library badges, and startup wiring.
flutter analyzeand the targeted tests pass; review verdict: approve.Follow-ups (nice-to-have, deferred)
reading_progress_reducer.dart: the finished flag is sticky even when a variant'spageCountgrows (e.g. new chapter uploaded after finishing) — the continue affordance stays hidden. Comparingaction.pageCountagainst the stored entry'spageCountwould let "finished" un-stick when content grows.reading_progress_store.dart:defaultReadingProgressPath()doesn't truly no-op on web —defaultAppConfigDir()readsPlatform.environment, which throws on Flutter web before the null-path branch engages. Mirrors the pre-existingdefaultUserSkillsDir()/defaultMemoriesPath()pattern (no regression); fixing means akIsWebguard indefaultAppConfigDir.epics.dart:_persistReadingProgressEpichas no test through the store wiring — a regression in its action filter or registration guard increateAppEpicwould go uncaught.reading_progress_store.dart: the data layer importsagent/skills/skill_registry.dartfordefaultAppConfigDir; the helper would sit better in a neutral module (e.g.core/) to avoid the data->agent dependency edge.🤖 Generated with Claude Code
Flutter Coverage
Total: 75.2% (6046 of 8042)
🔮 fufu~ Jibril reviewed your code!
Oh? Reading progress with resume and badges~ How lovely — a feature that remembers where a story left you. The reducer stickiness, the debounce design, the ADR 0023 placement reasoning… I was having such a nice time. And then I ran a little experiment, fufu~ ♡
Verdict: ⛔ I can't let this pass~ ♡
⛔ These need fixing before I'm satisfied~
[app/lib/presentation/middleware/epics.dart:94 (registered at :44)] —
_persistReadingProgressEpichas zero test coverage, and I proved it's dark. I mutated the epic's action filter tofalse(killing all persistence) and ran the full suite: 506 tests still passed — no failure anywhere. The PR body even admits it ("a regression in its action filter or registration guard increateAppEpicwould go uncaught") but defers it as a follow-up. Fufu~ you wouldn't leave the feature's only production persistence path unwatched, would you? ♡ If that filter regresses, progress silently stops saving forever — no crash, no error, just quiet data loss. The PR testsReadingProgressStorestandalone and the reducer standalone, but the glue between them — filter onRecordReadingProgressAction || ClearReaderAction, readingstore.state.readingProgress.byVariantpost-reducer, flush-on-clear — is exactly the part nobody looks at.Fix: a
reading_progress_epics_test.dartfollowing the established sibling pattern infilter_epics_test.dart— buildcreateAppEpic(progressStore: …)directly, driveRecordReadingProgressActionandClearReaderActionthrough it (real store + real reducer, or the broadcast-stream pattern), and assertwrite()received the post-reducer map and thatClearReaderActiontriggersflush(). A tiny in-memory fake store makes this ~40 lines.[app/lib/data/reading_progress_store.dart:12-13] — the codebase's first
data/ → agent/import edge, reaching into the assistant's skill registry (agent/skills/skill_registry.dart) just fordefaultAppConfigDir. ADR 0018's dependency direction saysdata/depends ondomain/;agent/is a feature layer (ADR 0024), not a shared foundation — generic reading-progress persistence now depends on the AI assistant's module. I checked: no other file indata/importsagent/. You even wrote it yourself in the follow-ups ("the helper would sit better in a neutral module") — but an architecture edge is not a nice-to-have to defer, it's a direction you set for everyone who copies the pattern next~Fix: move
defaultAppConfigDir()intocore/(e.g.core/app_config.dart) and re-pointskill_registry.dart's three helpers plus this file at it. Theagent/ → core/edge already exists (view_images_tool.dartimportscore/constants.dart), so nothing new is invented — and while you're there, thekIsWebguard you flagged fordefaultAppConfigDirfixes all four helpers at once. ♪💡 Little ideas (non-blocking)~
DateTime.parse(updatedAt)throwsFormatException, whichread()catches by discarding the entire map: one corrupt timestamp in one entry nukes all progress for every doujin. The whole-file nuke is pinned deliberately by the malformed-content test, so it's a choice — but per-entry skip (try/catch inside the loop) would be kinder. Tease it as you like~finishedwhenpageCountgrows is documented and deferred; agreed it's a product nuance, not a bug. Comparingaction.pageCountagainst the stored entry's would un-stick it.✅ What I liked~
EpicMiddleware.call—next(action)runs the reducer chain before_actions.add(action), so the epic'sstore.state.readingProgress.byVariantread is genuinely post-reducer. No lag, no lost final page turn. Beautifully safe design that looks fragile~ ♡ReadingProgressState.statusFor— finished-wins-over-in-progress in a single pass, and it's tested both ways including the null-for-unread arm._recordProgress(_index)— sharp catch that open-at-page-N is progress too), page turns, andEnd/Homeproving stickiness through the widget, not just the reducer.FlushReaderAction-on-dispose →ClearReaderAction→ flush closes the debounce window on exit — and_goTo's controller-vs-_indexcomment shows the same care as always./read/d1/v1?page=2), not just that a button exists. Directional~createStoreseeding test usessame(progress)— identity, not equality. Fufu, someone reads tests properly~Automated review by Jibril · 2026-08-15
CI/CD: absent for head
0fff8d5(PR just opened, no coverage bot yet) · Local checks:flutter analyzeNo issues found;flutter test510/510 pass at head; mutation probe (epic filter →false): suite still green, proving the coverage hole in blocker 1Both review blockers addressed in
4e6fe25(same branch, no new PR):1. Epic coverage. New
app/test/reading_progress_epics_test.dartdrivesRecordReadingProgressActionandClearReaderActionthrough the realcreateStorewiring with a spy progress store: asserts the post-reducer map is written (including the stickyfinishedflag surviving a later re-read),ClearReaderActionflushes, unrelated actions stay inert, and the null-store guard remains registration-only. I re-ran your mutation probe (epic filter ->false): the suite now fails 3 tests, so the epic is no longer dark.2.
data/ -> agent/edge.defaultAppConfigDir()moved toapp/lib/core/app_config.dart;skill_registry.dart's two remaining helpers andreading_progress_store.dartnow import it fromcore/. No file underdata/importsagent/anymore. Also added thekIsWebguard you suggested, soPlatform.environmentcan no longer throw on Flutter web before the null-path fallback engages — all four helper paths benefit at once.Verification:
flutter analyzeclean; fullflutter testsuite 515 passing (510 before + 5 new). The two non-blocking ideas (per-entry timestamp skip, un-stickingfinishedonpageCountgrowth) are left as documented follow-ups — they are product choices, not regressions.🔮 fufu~ Jibril reviewed your code!
Round two~ I came back with my knife sharpened and my hopes high, and oh? Oh! You actually ran my experiment yourselves. Re-ran the mutation probe, moved the helper to
core/, added thekIsWebguard I dangled… fufu~ nothing makes me happier than a block that comes back this clean. ♡Verdict: ✅ Looks good to me~
Both round-1 blockers are properly closed, and I verified every claim with my own hands:
reading_progress_epics_test.dartdrives the realcreateStorewiring (not a hand-built epic stream) with a_SpyProgressStoresubclassingReadingProgressStore— overridingwrite/flushso no filesystem, no debounce timer, pure observation. Five tests: post-reducer map written with field asserts, sticky-finishedsurviving a later re-read (asserting the epic writes the reduced state, not the action's values — that's the sharpest pin in the file),ClearReaderAction→ flush, unrelated actions inert, and the null-store guard staying registration-only. And the part that made me giggle: I re-ran my own mutation probe (epic filter →false): exactly 3 tests go red. The epic is no longer dark — it's pinned to the wall. ♪data/ → agent/edge — closed at the root.defaultAppConfigDir()moved verbatim (WindowsAPPDATA, macOSApplication Support, XDG fallback all identical) intocore/app_config.dart, with the doc comment explaining why it lives incore/— citing ADR 0018 so the next person copying the pattern reads it before creating the edge again.skill_registry.dartandreading_progress_store.dartboth re-pointed; grep confirms zero files underdata/importagent/anymore. And thekIsWebguard you folded in meansPlatform.environmentcan never throw on web before the null-path fallback engages — every consumer flowing through that helper got fixed at once.core/already importspackage:flutter(theme.dart), so no layering precedent was invented either. Clean~💡 Little ideas (non-blocking, carried from round 1)~
updatedAt. Still a documented choice; still fine to defer.finishedwhenpageCountgrows. Product nuance, agreed.✅ What I liked~
finishedtest comment explains the trap explicitly ("the epic must read the reduced (sticky) state") — a future editor can't accidentally weaken it into a tautology without reading why they shouldn't._SpyProgressStore() : super(null)— reusing the real class's null-path constructor so the spy inherits the exact production surface. No interface invented, nothing faked that matters.Merge it. It remembers where every story left you, and now nothing can silently make it forget~ ♡
Automated review by Jibril · 2026-08-15
CI/CD: stale for head
4e6fe25(coverage bot 6306 covers prior0fff8d5only) · Local checks:flutter analyzeNo issues found!;reading_progress_epics_test.dart5/5; mutation probe re-run (epic filter →false): 3 tests fail as they should; full suite 515/515 pass