77 lines
2.4 KiB
Markdown
77 lines
2.4 KiB
Markdown
---
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summary: "Nodes: pairing, capabilities (canvas/camera), and the CLI helpers for screenshots + clips"
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read_when:
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- Pairing iOS/Android nodes to a gateway
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- Using node canvas/camera for agent context
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- Adding new node commands or CLI helpers
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---
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# Nodes
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A **node** is a companion device (iOS/Android today) that connects to the Gateway over the **Bridge** and exposes a small command surface (e.g. `canvas.*`, `camera.*`) via `node.invoke`.
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## Pairing + status
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Pairing is gateway-owned and approval-based. See `docs/gateway/pairing.md` for the full flow.
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Quick CLI:
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```bash
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clawdis nodes pending
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clawdis nodes approve <requestId>
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clawdis nodes reject <requestId>
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clawdis nodes status
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clawdis nodes describe --node <idOrNameOrIp>
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```
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## Invoking commands
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Low-level (raw RPC):
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```bash
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clawdis nodes invoke --node <idOrNameOrIp> --command canvas.eval --params '{"javaScript":"location.href"}'
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```
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Higher-level helpers exist for the common “give the agent a MEDIA attachment” workflows.
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## Screenshots (canvas snapshots)
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If the node is showing the Canvas (WebView), `canvas.snapshot` returns `{ format, base64 }`.
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CLI helper (writes to a temp file and prints `MEDIA:<path>`):
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```bash
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clawdis nodes canvas snapshot --node <idOrNameOrIp> --format png
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clawdis nodes canvas snapshot --node <idOrNameOrIp> --format jpg --max-width 1200 --quality 0.9
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```
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## Photos + videos (node camera)
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Photos (`jpg`):
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```bash
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clawdis nodes camera snap --node <idOrNameOrIp> # default: both facings (2 MEDIA lines)
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clawdis nodes camera snap --node <idOrNameOrIp> --facing front
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```
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Video clips (`mp4`):
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```bash
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clawdis nodes camera clip --node <idOrNameOrIp> --duration 10s
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clawdis nodes camera clip --node <idOrNameOrIp> --duration 3000 --no-audio
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```
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Notes:
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- The node must be **foregrounded** for `canvas.*` and `camera.*` (background calls return `NODE_BACKGROUND_UNAVAILABLE`).
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- Clip duration is clamped (currently `<= 60s`) to avoid oversized base64 payloads.
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- Android will prompt for `CAMERA`/`RECORD_AUDIO` permissions when possible; denied permissions fail with `*_PERMISSION_REQUIRED`.
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## Where to look in code
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- CLI wiring: `src/cli/nodes-cli.ts`
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- Canvas snapshot decoding/temp paths: `src/cli/nodes-canvas.ts`
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- Duration parsing for CLI: `src/cli/parse-duration.ts`
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- iOS node commands: `apps/ios/Sources/Model/NodeAppModel.swift`
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- Android node commands: `apps/android/app/src/main/java/com/steipete/clawdis/node/node/*`
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