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EdisonJwa a0d1c35461 docs(governance): owner confirmation on remaining 17 decisions (register v0.9.5) 
Closes the 'Proposed / Owner Confirmation Required' state for every
decision in the register except DEC-020 (license, explicitly deferred
and now the only public-release-gating decision outstanding).

Accepted as recommended:
  DEC-001 (Alpha → Beta → Public release sequence),
  DEC-002 (all five platforms as MVP target, staged release allowed),
  DEC-003 (iOS minimum: iOS 13),
  DEC-005 (Android target SDK: Play-required API on upload date),
  DEC-006 (single active server connection in MVP),
  DEC-007/008/009/010 (AEC + AGC + NS + HPF defaults),
  DEC-011 (platform-native audio first),
  DEC-012 (legal/trademark/licensing review as a release gate),
  DEC-013 (SQLite or equivalent for non-secret state),
  DEC-016 (no automatic diagnostics upload),
  DEC-017 (crash reporting disabled for MVP),
  DEC-018 (product name: Chanora),
  DEC-019 (drafted non-affiliation wording),
  DEC-021 (Apple App Store SDK gate: Xcode 26+ / iOS 26 SDK+ on/after 2026-04-28).

Modified from the original recommendation by explicit owner ruling:
  - DEC-004: Android minimum raised to API 28 (Android 9.0) from the
    recommended API 24. Rationale: simpler audio path (AAudio stable
    from API 28), narrower compatibility / privacy / scoped-storage
    surface. Affects the Android spike's minSdk=24 in product code:
    apps/chanora_flutter will need minSdk=28.
  - DEC-015: MVP product language expanded to English + Chinese
    (Simplified) from the recommended English-only. Rationale: the
    demonstrated TS3-compatible-server audience (verified live against
    cn.teamspeak.app) and broader TS3 audience include substantial
    Chinese-speaking users. Adds zh-Hans translation, font, and
    text-length-budget work to MVP. Server-provided content is still
    preserved verbatim per ADR-008.

Still Open / Deferred:
  - DEC-020 license model. The only remaining release-gating decision.

Documentation updates:
  - product-decision-register.md → v0.9.5. §3 statuses updated, §4
    renamed Recommended → Accepted with MODIFIED rows annotated,
    §6 collapsed to DEC-020 only, §7 dated and statused for every
    decision, change-history entry added.
  - poc-results-summary.md → v0.3.0. §4 expanded with the
    2026-05-14 owner-confirmation pass table. RISK-PoC-004 closed.
    New RISK-PoC-006 (Android minSdk move 24 → 28) and RISK-PoC-007
    (MVP language expansion to en + zh-Hans) added.
  - CHANGELOG entry under [Unreleased].
2026-05-14 20:46:29 +08:00

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# Changelog
All notable changes to Chanora will be documented in this file.
This project is expected to follow a Conventional Commits style workflow.
## [Unreleased]
### Added
- Initial repository foundation files.
- Documentation-first project structure.
- `justfile` with `format`, `lint`, `test`, `verify-docs`, and
`security-scan` targets, completing `repository-bootstrap-plan` v0.1.0 §3.
- `poc/tsclientlib-connect-spike/` — PoC proving protocol feasibility via
`tsclientlib`. Verified against `cn.teamspeak.app` on 2026-05-13.
- `poc/flutter_rust_bridge_hello/` — PoC proving the Flutter↔Rust command
and event-stream boundary via `flutter_rust_bridge` 2.12.0. Verified on
Linux desktop on 2026-05-13.
- `poc/secure-storage-spike/` — PoC proving platform secure storage via
a typed `SecretStorageRepository` trait and a Linux adapter selecting
between Secret Service (libsecret) and kernel keyutils. Audit checks
SS-AUD-001/002/003/005/006 and SS-TC-003 verified on 2026-05-13.
- `poc/sqlite-storage-spike/` — PoC proving SRS-089's "embedded data
store + migration mechanism" acceptance criteria: forward-only schema
migrator tracked via `PRAGMA user_version`, repository pattern with
`BookmarkRepository` / `SettingsRepository` traits over
`LocalDatabaseRepository`. 11/11 tests verified on 2026-05-13.
- `poc/diagnostics-redaction-spike/` — PoC proving the diagnostic
redaction policy from `diagnostic-redaction-audit-report.md`:
typed policy + regex rules + literal known-secret registry + bundle
redaction. Audit cases REDACT-TC-001..010 verified on 2026-05-13.
- `poc/audio-capture-playback-spike/` — PoC proving platform audio
capture/playback via cpal. Desktop half (Linux + PipeWire)
empirically verified end-to-end on 2026-05-13; mobile half closed
separately by `poc/audio-capture-playback-android-spike`.
- `poc/audio-capture-playback-android-spike/` — PoC closing the
mobile half of the audio capture/playback PoC plan entry. Rust
cdylib + JNI + Kotlin Android app; cpal targets Android's Oboe
backend (AAudio). Verified end-to-end on a physical Motorola
Moto G Stylus 5G (2023) running Android 14 arm64-v8a on
2026-05-13: 500 ms 440 Hz sine wave driven out the device speaker
(22,050 frames at 44.1 kHz) and 1 s captured from the microphone
into a valid 85,292-byte RIFF/WAVE mono 16-bit PCM file pulled via
`adb exec-out run-as`.
- `poc/README.md` summarising PoC status against
`docs/architecture/proof-of-concept-plan.md`.
### Changed
- `docs/governance/product-decision-register.md` bumped to v0.9.5:
owner confirmation on all 17 previously-Proposed decisions
(DEC-001..010, 012, 015..019, 021). Sixteen were Accepted as
recommended; two were modified by the owner — **DEC-004**
Android minimum raised from API 24 to **API 28**, and
**DEC-015** product language for MVP expanded from English-only
to **English + Chinese (Simplified)**. DEC-020 license remains
Open / Deferred and is now the only public-release-gating
decision outstanding. §4 renamed "Recommended" → "Accepted MVP
Defaults" with MODIFIED rows annotated. §6 collapsed to the
single remaining DEC-020 item. §7 dated and statused for every
decision.
- `docs/governance/poc-results-summary.md` bumped to v0.3.0:
RISK-PoC-004 closed by the owner-confirmation pass; new
RISK-PoC-006 (Android `minSdk` move 24 → 28 for product code)
and RISK-PoC-007 (MVP language expansion to en + zh-Hans) added.
- `docs/architecture/proof-of-concept-plan.md` bumped to v0.3.0 to
promote the audio PoC from PARTIAL PASS to PASS after the Android
mobile half was closed; all six PoC plan entries are now PASS.
- `docs/governance/product-decision-register.md` bumped to v0.9.4 to
promote DEC-011.1 mobile half from Deferred to Accepted (Android),
keeping iOS Deferred.
- `docs/governance/poc-results-summary.md` bumped to v0.2.0:
audio row promoted to PASS, RISK-PoC-001 narrowed from "mobile
audio" to "iOS audio only", Android toolchain added to the
toolchain table.
- `poc/audio-capture-playback-spike/VERIFICATION.md` updated to point
at the Android spike for the mobile half.
- `poc/README.md` updated to list both audio spike directories.
- `docs/architecture/proof-of-concept-plan.md` bumped to v0.2.0 to
record PoC outcomes (5 PASS, 1 PARTIAL) and add a Status column.
- `docs/security/secure-storage-audit-report.md` bumped to v0.9.3:
SS-AUD-001/002/003/005/006 status set to PoC Pass with evidence
pointers; SS-TC-003 (Linux) Actual Result populated and Status set
to PoC Pass; findings SS-FIND-001..003 added; non-Linux test cases
marked Deferred.
- `docs/security/diagnostic-redaction-audit-report.md` bumped to
v0.9.3: REDACT-TC-001..010 status set to PoC Pass with evidence
pointers; export bundle policy §5 populated; findings
REDACT-FIND-001..003 added.
- `docs/governance/product-decision-register.md` bumped to v0.9.3:
owner-confirmed decisions recorded — DEC-014 Accepted
(`flutter_rust_bridge` 2.x pinned), DEC-013.1 Accepted (`rusqlite`
bundled), DEC-013.2 Accepted (Linux Secret Service preferred,
keyutils fallback), DEC-011.1 Accepted (desktop `cpal`) / Deferred
(mobile), DEC-022 Accepted (canonical implementation directory
layout per README sketch + SAD §7.2), DEC-020 explicitly Deferred
and remains a public-release blocker.
### Added (governance)
- `docs/governance/poc-results-summary.md` v0.1.0 — single-page
reviewer-facing summary of the PoC phase, the toolchain exercised,
the owner decisions taken, the audit coverage, and the open risks
RISK-PoC-001..005.
### Fixed
- N/A
### Security
- N/A
## Versioning note
The project implementation has not reached a public release version yet.
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