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android_cast/docs/20260608_ALPHA_PRIORITIES.md
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2026-06-08 19:02:12 +02:00

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Android Cast — alpha priorities (2026-06-08 renumber)

Owner-agreed task order, dependencies, and implementation prep. Supersedes informal numbering in older roadmap tickets.

Table of contents

Documentation index: README.md

Bottom line (agent rules)

Before and during alpha implementation:

Rule Action
Docs All specs in docs/ — classic TOC template; PDF via scripts/build-all-docs-pdf.sh
Alpha must-have RSSH (4.x), auth (2.5 + 3.x), backend validation (5.x) — see ALPHA.md
UI/UX Reuse crashes console app.css, hub styles, EN/RU i18n — no new design system
Licenses Update app/.../licenses/combined.html + THIRD_PARTY_LICENSES.md when adding libs/tools
Tests Unit tests for pure logic; simulate network/SSH where E2E needs no device; run ./gradlew :app:testDebugUnitTest + PHP scripts
Build ./gradlew assembleDebug after native/Gradle changes
Dev input Blocked items → brief list in tmp/YYYYMMDD_help_request.md + PDF; remind at end of session
Git on next Alpha sprint may commit directly on next; atomic commits per feature for easy git revert — GIT_FLOW.md §4.1

Priority overview

Tier IDs Owner split Alpha blocker?
P0 debug 0.1 Agent impl; enables 6.5/6.6 No
P1 1.x Agent No
P2 2.1–2.4 dev, 2.5+3.x agent Mixed Yes (auth path)
P3 4.x Agent (+ deploy assist) Yes (RSSH)
P4 5.x 50/50 OTA/URLs; rest agent Yes
P5 6.x ~99% dev LAN alpha
P9 9.x landing Agent when idle No

Effective order (agent): 0.1 (parallel) → 4.x + 2.5/3.x + 5.3–5.5 → 1.x → 9.x when bandwidth allows.

0.x Emergency debug (not alpha blocker)

0.1 FR — Stream dump while casting

Priority: High emergency debug. Cyclic with 6.6 (same capability; 6.6 references 0.1 for audio lag / lifecycle analysis).

Goal: While audio or video cast is active, optionally record what flows through the encode/send (or receive/decode) path for offline analysis.

Sub Mode Deliverable
0.1.1 Structured YYYYMMDD_HHMMSS_sess_record.zip containing meta.json + streams
0.1.2 Raw quick Same archive layout; uncompressed elementary streams only
0.1.3 Tooling Update session stats / graphs ingest to read meta.json schema

Archive layout (both 0.1.1 and 0.1.2):

20260608_120422_sess_record.zip
├── meta.json
├── 20260608_audio_stream.raw      # or .aac / .opus per meta
└── 20260608_video_stream.raw      # or .h264 / annex-b per meta

meta.json (sketch):

{
  "schema_version": 1,
  "session_id": "20260608_120422",
  "role": "sender",
  "record_mode": "raw_elementary",
  "started_at_epoch_ms": 0,
  "ended_at_epoch_ms": 0,
  "video": {
    "mime": "video/avc",
    "width": 1280,
    "height": 720,
    "frame_count": 1200,
    "file": "20260608_video_stream.raw",
    "format": "length_prefixed_avc",
    "csd0_hex": "…",
    "csd1_hex": "…"
  },
  "audio": {
    "mime": "audio/mp4a-latm",
    "sample_rate": 44100,
    "channels": 2,
    "frame_count": 800,
    "file": "20260608_audio_stream.raw",
    "format": "length_prefixed_aac"
  },
  "cast_settings_snapshot": { "transport": "udp", "protection": "NONE" }
}

Implementation hooks (prep):

Tap point File Notes
Sender video frames ScreenCastService / CastSendPump After onEncodedFrame, before UDP wrap
Sender audio frames AudioEncoderSink.Callback.onEncodedFrame Same
Receiver (optional phase 2) ReceiverCastService / AudioDecoder Inbound before decode

Dev gate: Developer settings → Record stream dump (off by default); cap size/duration; write under files/stream_dumps/.

Spec detail: 20260608_STREAM_DUMP_DEBUG.md

1.x Graphs console

ID Task Owner
1 Graphs dashboard — parent Agent
1.1 All pending fixes (5.1 brick drill-down, perf, permalinks, etc.) Agent
1.2 All pending FRs (5.2 columns 1/2/4, full-width grid) Agent

Depends on BE deploy (soft). Not alpha blocker.

2.x Email → SMTP → 2FA → RBAC

ID Task Owner Notes
2.1 DNS: MX + SPF for mail — use apex f0xx.org if apps.f0xx.org is CNAME (cannot add MX) Developer tmp/20260608_help_request.md
2.2 Register forward addresses (info@, admin@, root@ → Gmail) Developer Cloudflare Email Routing or ImprovMX
2.3 Inbound forward verification Developer Send test mail
2.4 Gmail filters / reply-as (optional) Developer
2.5 Outbound SMTP from BE (noreply@, verification mail) Agent Symfony Mailer; config.php
3.x Registration + verify + TOTP + mobile UI + migration 008 Agent See 20260607-2FA-email-mobile-auth-flow.md
→ RBAC Finish admin UI after pages stable Agent Former task 7

Chain: 2.1 → 2.2 → 2.3 (dev) ∥ 2.5 (agent after 2.1 DNS) → 3.x → RBAC.

3.x Auth implementation (agent)

All items from 20260607-2FA-email-mobile-auth-flow.md §10.7:

  • P1 Register + verify + ALTCHA
  • P2 TOTP enroll + login challenge
  • P3 Admin lockout clear + audit
  • P4 WebAuthn (optional alpha)
  • P5 Android Custom Tab entry (optional)

Tests: PHP API smoke scripts; unit tests for token hash / TOTP verify helpers.

4.x Reverse SSH alpha

Replace WireGuard as alpha deliverable — WG stays for lab (REMOTE_ACCESS_IMPL.md).

ID Task Owner
4.1 BE: opt_in_mode: rssh, bastion user, authorized_keys / -R port map Agent
4.2 BE: nginx stream or SSH on 443 per 20260602_REVERSE_SSH_proposals_summary.md Agent + deploy
4.3 Android: RemoteAccessMode.RSSH selectable, no VpnService Agent
4.4 Android: outbound SSH client (libssh2 / dropbear JNI — TBD) + FG service Agent
4.5 E2E: whitelist → open session → operator shell/SFTP on bastion Agent + QA
4.wg WireGuard fixes only if lab broken Agent as needed

Depends on: BE deploy (5.x). Blocks 5.3.

5.x Alpha backend validation

ID Task Owner split
5.1 OTA channel + artifacts on apps.f0xx.org 50% dev / 50% agent
5.2 Crash + OTA URLs on device (settings.json, dev settings) 50% dev / 50% agent
5.3 RSSH BE validation Agent (deploy assist dev) — depends 4.x
5.4 auth-2fa validation (G2–G6) Agent
5.5 RBAC validation Agent

6.x Alpha app LAN

ID Task Owner Deps
6.1 Opus/Speex E2E Dev + agent JNI native .a
6.2 LAN soak A/B/C Dev —
6.3 App lifecycle (notifications, recents) Dev
6.4 Rotation + preview crash Dev ↔ 6.3 cyclic
6.5 Audio lag — buffers, handshake, graphs Dev 0.1 helps
6.6 Debug stream analysis Dev = 0.1

Agent: fixes / urgent FRs only (~1%).

9.x Landing (lowest)

Renumbered from former 6.x landing track:

ID Task
9 Landing hub parent
9.1 Hub cards (graphs, builder, RA)
9.2 Globe / earth animations
9.3 Mobile chrome validation (LOW)

Dependency graph

flowchart TB
    subgraph P0["P0 debug"]
        S01["0.1 stream dump"]
    end

    subgraph P2["P2 auth — dev"]
        D21["2.1 DNS"]
        D22["2.2 forward"]
        D23["2.3 verify inbound"]
    end

    subgraph P2a["P2 auth — agent"]
        A25["2.5 SMTP"]
        A3["3.x 2FA"]
        RBAC["RBAC"]
    end

    subgraph P3["P3 RSSH"]
        R4["4.x reverse SSH"]
    end

    subgraph P4["P4 backend alpha"]
        B51["5.1 OTA"]
        B52["5.2 URLs"]
        B53["5.3 RSSH validate"]
        B54["5.4 auth validate"]
    end

    subgraph P5["P5 app LAN — dev"]
        A61["6.1 Opus"]
        A62["6.2 soak"]
        A63["6.3 lifecycle"]
        A64["6.4 rotation"]
        A65["6.5 audio lag"]
    end

    subgraph P9["P9 landing"]
        L9["9.x"]
    end

    ALPHA["FULL_ALPHA"]

    S01 -.-> A65
    S01 -.-> A64

    D21 --> D22 --> D23
    D21 --> A25 --> A3 --> RBAC --> B54
    A3 --> ALPHA

    R4 --> B53 --> ALPHA
    B51 --> ALPHA
    B52 --> ALPHA

    A62 --> ALPHA
    A63 -.-> A64
    A64 -.-> A63

    L9 -.-> RBAC

Licenses & tests checklist

When adding… Update
libssh2 / dropbear / Symfony Mailer combined.html, THIRD_PARTY_LICENSES.md
Stream dump (no new deps if pure Java) —
RSSH BE scripts BE licenses doc
Area Test command
Android unit ./gradlew :app:testDebugUnitTest
RSSH API BASE=… ./scripts/ra_e2e_cli.sh (extend for RSSH)
Auth API scripts/test_rbac_api.sh + new test_auth_api.sh (TBD)
Stream dump Unit test StreamDumpWriter framing + meta.json schema

Developer help (blocked on you)

Email/DNS (2.1–2.4): hands-on checklist with record examples:

→ tmp/20260608_help_request.md (PDF: tmp/20260608_help_request.pdf)

Please complete 2.1–2.3 before agent enables production verification mail (2.5).

Source linkage

Doc Topic
20260608_STREAM_DUMP_DEBUG.md 0.1 implementation spec
20260607-2FA-email-mobile-auth-flow.md 2.x / 3.x
OPEN_TASKS_GRAPH.md Ticket-level graph
20260602_REVERSE_SSH_proposals_summary.md 4.x
ALPHA.md Sign-off F/G
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