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docs(p0): SysRS/SysDes/SRS/SAD/SDD/Verification + traceability for Android P0 reconciliation

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Full P0 Android documentation chain:

- SysRS: API 24 → API 28 reconciliation per DEC-004 (SysRS-288);
  add SysRS-305 (Android in-call audio mode), SysRS-306
  (RECORD_AUDIO runtime timing).
- SysDes: SysDes-152 (in-call audio mode subsystem), SysDes-153
  (RECORD_AUDIO permission flow), SysDes-154 (Android voice audio
  backend), SysDes-155 (macOS runtime baseline).
- SRS: SRS-187 → API 28; add SRS-208 (in-call audio mode), SRS-209
  (RECORD_AUDIO + listen-only fallback), SRS-210..215 (Android voice
  audio backend latency/preset/AEC/usage/sharing/foreground service);
  retarget SysDes anchors from generic SysDes-135 to SysDes-152/153/154.
- SAD: SAD-063 refreshed (API 28); add SAD-084 (audio mode
  controller), SAD-085 (permission adapter with listen-only),
  SAD-086 (foreground service), SAD-087 (macOS runtime baseline);
  formalize cross-cutting + platform-specific allocation pattern
  in §24.1.
- SDD: expand SDD-028 (BackIntentService); refresh SDD-073 (build
  config); add SDD-105 (JNI bootstrap), SDD-106 (permission
  requester), SDD-107 (foreground service), SDD-108 (audio mode
  controller), SDD-109 (AAB pipeline), SDD-110 (PTT capability),
  SDD-111..116 (Android voice audio backend), SDD-118 (Android
  bridge build automation), SDD-119 (iOS/macOS bridge build
  automation back-fill).
- Verification: create android-p0-acceptance.md TC-1..TC-18; add
  SWE4-UV-040..052, SWE5-IV-016..026, SWE6-SV-018..030,
  SYS4-SIV-015 strengthened + SYS4-SIV-017/018.
- Governance: traceability matrix v0.9.9 with end-to-end chain
  closure; DEC-032 documents the temporary abiFilters reduction to
  arm64-v8a only and its restore-by gate.

Trace: full chain SysRS → SysDes → SRS → SAD → SDD → Code → Verification.
This commit is contained in:
EdisonJwa
2026-05-18 12:48:28 +08:00
parent 4c19410556
commit 5aa51c310f
13 changed files with 2487 additions and 17 deletions
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docs/requirements/sysrs.md
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@@ -1849,7 +1849,7 @@ This section converts the baseline product decisions into auditable system-level
- Priority: P0
- Verification: Release Inspection
**SysRS-288**: The Chanora Android application shall support Android API 24 or later as the minimum runtime baseline unless Flutter, plugin, audio, or platform constraints require raising the minimum version.
**SysRS-288**: The Chanora Android application shall support Android API 28 (Android 9.0) or later as the minimum runtime baseline, per DEC-004 (Accepted 2026-05-14, which raised the original API 24 recommendation to API 28). The minimum may be raised further only if Flutter, plugin, audio, or platform constraints require it; it shall not be lowered without a superseding accepted decision.
- Priority: P0
- Verification: Review, Platform Test
@@ -1934,6 +1934,16 @@ This section converts the baseline product decisions into auditable system-level
- Priority: P0
- Verification: Functional Test, UX Review
**SysRS-305**: When the Chanora Android application has an active voice session connected, the system shall engage the Android in-call audio mode (for example via `AudioManager.setMode(MODE_IN_COMMUNICATION)` or an equivalent platform routing-assist mechanism) so that microphone gain, output routing, echo handling, and Bluetooth SCO behaviour follow Android's voice-communication path rather than the media path. The in-call mode shall be entered no later than the moment the voice session becomes connected and shall be released when the last active voice session ends. Back-fills the v0.9.8 product-decision-register entry that recorded `AudioManager.setMode(MODE_IN_COMMUNICATION)` engagement via JNI without prior SysRS coverage.
- Priority: P0
- Verification: Platform Test (Android), Audio Test
**SysRS-306**: The Chanora Android application shall acquire the Android runtime microphone permission (`RECORD_AUDIO`) at or before the point of voice session activation, and shall not begin microphone capture without that permission having been granted by the user. If the permission is denied, revoked, or not yet decided, the application shall remain functional in listen-only mode (consistent with SysRS-303) and shall surface a user-facing path to grant the permission before retrying transmit. This requirement is additive to the general permission obligation in SysRS-055 and makes the runtime-acquisition timing explicit.
- Priority: P0
- Verification: Platform Test (Android), Functional Test
## 32. Change History Addendum
@@ -1960,3 +1970,10 @@ This section converts the baseline product decisions into auditable system-level
| Version | Date | Description |
|---|---|---|
| 0.9.5 | 2026-05-15 | Added v1 audio + PTT lifecycle requirements SysRS-303 and SysRS-304 capturing the no-manual-start audio engine bound to voice-channel membership, the v1 transmit-mode set (`Ptt` default + `Continuous`, with `VoiceActivity` reserved per DEC-030), the listen-only flow (output independent of mic permission), the hard-mute override, and the 200 ms (0–500 ms) PTT release tail for word-boundary anti-clipping. |
## Baseline Candidate 0.9.9 Update
| Version | Date | Description |
|---|---|---|
| 0.9.9 | 2026-05-17 | Reconciled SysRS-288 with DEC-004 (Accepted 2026-05-14): Android minimum runtime baseline raised from API 24 to API 28 (Android 9.0); rationale and decision citation added in-line. Verified SysRS-055, SysRS-161, SysRS-195, SysRS-217, and SysRS-289 remain consistent with DEC-004 (no API-level text in any of these; no rewrite required). Added SysRS-305 (Android in-call audio mode engagement during active voice session — back-fills the v0.9.8 product-decision-register `AudioManager.setMode(MODE_IN_COMMUNICATION)` entry) and SysRS-306 (explicit Android runtime microphone permission acquisition at or before voice session activation, additive to SysRS-055). |