ARIA
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Gateway plugin: - media.upload (chunked binary) -> size/sha256 verify + MIME re-sniff -> cache_*_from_bytes -> media.upload.ack - media.offer / media.pull (chunked) for agent-sent media, delivery-path security re-checked at pull time - send_* overrides mint media_id and emit media.offer - message.send media_refs resolve to cached inbound media - per-send + per-chunk timeouts so a stalled peer can't starve the rest App (Kotlin CMP): - Protocol: media frame types/payloads/builders - GatewayClient: binary session, uploadMedia (chunked + streaming sha256), pullMedia serialized via Mutex so concurrent offers don't interleave - ChatStore/IrisController: MediaItem, attachments, auto-pull on offer - Platform media: SAF picker, ExoPlayer (audio mini-player + video), image loader, FileProvider document open (Android); AWT-free desktop actuals - ChatScreen: attach button + chips, media rendering, keyboard dismiss on send UI polish: - preserve image aspect ratio (no stretching), cap dominant dimension - adjustResize so only chat content squeezes for the keyboard - clear focus (hide keyboard) on send Docs: media.upload.ack in 04-wire-protocol.md + frames.schema.json + 07-media.md; M4 marked complete in 14-milestones.md. Tests: 17-test tests/gateway/test_android.py suite passes.
Iris × Hermes — Implementation Reference Library
A coder-facing reference library for building a native Android + Desktop experience for hermes-agent, connected through a gateway platform plugin.
This folder is the single source of truth for what to build and why. Read it top-to-bottom once, then use the numbered docs as a lookup while implementing.
⚠️ READ FIRST — two hard rules
hermes-agent/(sibling of this folder) is a read-only research reference. It must NEVER be committed, pushed, or shipped. It is git-ignored at the repo root. We only install our plugin into a live hermes install (~/.hermes/plugins/); we never modify hermes core.- ADB is installed and a device is connected (
a5ca2a4b, Xiaomi MIX 2S, Android 10 / API 29). Use it to install/launch/debug the app on-device.
Reading order
| # | File | When to read |
|---|---|---|
| 0 | 00-overview.md |
Always first. Vision, scope, disclaimers, locked decisions. |
| 1 | 01-architecture.md |
Before touching code. System shape + rationale. |
| 2 | 02-monorepo.md |
When scaffolding the repo. |
| 3 | 03-gateway-plugin.md |
When building the Python plugin. |
| 4 | 04-wire-protocol.md |
When implementing either side of the WS. |
| 5 | 05-streaming.md |
Streaming / reasoning / tools / intermediate. |
| 6 | 06-channels-cron-search.md |
Channels, threads, cron delivery, search. |
| 7 | 07-media.md |
Media upload/download + playback. |
| 8 | 08-push.md |
Push (FCM + ntfy), outbox, sync. |
| 9 | 09-pairing-security.md |
Pairing, auth, security model. |
| 10 | 10-android-app.md |
When building the Android app. |
| 11 | 11-desktop-app.md |
When building the Desktop app. |
| 12 | 12-toolchain.md |
First time on a machine (JDK/SDK/uv/Firebase). |
| 13 | 13-testing.md |
Writing tests + on-device ADB workflow. |
| 14 | 14-milestones.md |
Planning work / tracking progress. |
| 15 | 15-hermes-reference.md |
Cheat-sheet of hermes-agent source to read. |
| 16 | 16-open-questions.md |
Decisions made + open items. |
Machine-readable / diagrams:
protocol/frames.schema.json— wire-frame schema.diagrams/architecture.mmd— mermaid architecture.
The three deliverables (one monorepo)
gateway-plugin/— a Python hermes platform plugin namedandroid. Runs inside thehermes gatewayprocess. Opens a WebSocket server the apps connect to. Implements the fullBasePlatformAdaptercontract. Zero new Python dependencies, zero hermes-core changes.app/androidApp— native Kotlin + Jetpack Compose client.app/desktopApp— Kotlin + Compose Multiplatform client that shares the Android app's code and is "tweaked" for a big screen.
The Android and Desktop clients live in one Compose Multiplatform Gradle
project (app/) with a shared KMP module (app/shared).
Status
- Phase: Planning complete → ready to implement (Milestone M0).
- Owner decisions locked: see
16-open-questions.md. - Last updated: 2026-08-19.