v0.4.0 to v0.4.0

---

name: octo-files

version: 0.4.0

description: File operations (upload/download, presigned S3 credentials) plus bot housekeeping (register, set-commands, user-info, space-members, typing, heartbeat). Load after octo-shared.

metadata:

requires:

bins: ["octo"]

skills: ["octo-shared"]

---

# octo-files — file I/O and bot housekeeping

- `file` — 4 ops, no bot-kind restrictions

- `bot` — 6 ops, no bot-kind restrictions

## 1. File operations

```bash

octo file upload --file ./report.pdf [--type chat] [--path subdir/]

octo file download <path> --format json > saved.bin # see note below

octo file credentials --filename report.pdf

octo file presigned --filename report.pdf

```

### `upload` — multipart form

Unlike every other command, `file upload` sends a multipart `multipart/form-data` body, not JSON. The `--file` flag is **required** and names a local path; `--type` (default `chat`) and `--path` become form text fields. Promoted body flags declared in the spec go in as text fields alongside the binary.

The response envelope carries the returned file descriptor under `data` — use it to build attachment references in `matter timeline add` or `message send`.

### `download` — returns a presigned URL

`file download <path>` issues a GET. The backend responds with a 302 redirect to the storage tier. The CLI does **not** stream raw bytes — instead it returns a JSON envelope containing the presigned URL:

```bash

octo file download /chat/2026/05/abc123.png

# → {"ok":true,"data":{"url":"https://s3.../abc123.png?...","status":302,"content_type":"image/png"}}

```

To actually fetch the file, use the URL from the response:

```bash

octo file download /chat/2026/05/abc123.png --jq '.data.url' | xargs curl -o out.png

```

### Direct-to-S3 uploads

For files too large for multipart, ask the backend for a presigned target and upload directly:

```bash

cred=$(octo file presigned --filename big.zip)

url=$(jq -r '.data.uploadUrl' <<<"$cred")

ctype=$(jq -r '.data.contentType' <<<"$cred")

curl -X PUT -T big.zip -H "Content-Type: $ctype" "$url"

```

`file presigned` returns `{uploadUrl, downloadUrl, method, contentType, key, expiresIn, expiredTime}` — a one-shot signed URL. `file credentials` returns STS-style temporary credentials (`{bucket, region, key, credentials:{tmpSecretId, tmpSecretKey, sessionToken}, cdnBaseUrl, ...}`) for SDK-driven uploads. Pick the shape the backend gives you.

## 2. Bot housekeeping

```bash

octo bot register --data '{...registration payload...}'

octo bot set-commands --data '[{"name":"fix","desc":"create a matter"}, ...]'

octo bot user-info [--uid <uid>] # no uid → info about *this* bot

octo bot space-members # paginated (100 cap typical)

octo bot typing --channel-id <cid> --channel-type 1

octo bot heartbeat

```

### `bot register` — special auth

`register` is the **only** operation not behind the `authBot` middleware. The backend routes it by token prefix: `app_*` → `registerAppBot`, `bf_*` → `registerUserBot`. You still supply `OCTO_BOT_TOKEN`; the CLI treats the call like any other.

Use `bot register` exactly once per bot lifecycle (publish), then use `bot set-commands` to advertise slash-command metadata.

### `user-info` gives you the owner_uid

```bash

owner=$(octo bot user-info --jq '.data.owner_uid')

```

This is the value `matter extract` requires as `creator_uid` (see `octo-matter` skill §6).

### `typing` and `heartbeat`

Both are fire-and-forget. `typing` signals an "…is typing" UI state in DM channels. `heartbeat` refreshes bot liveness — call it on a long-running poll loop so the platform knows the bot is alive.

## 3. Common pattern: timeline attachment end-to-end

```bash

# 1. Upload the binary.

up=$(octo file upload --file ./log.txt --type chat)

url=$(jq -r '.data.url' <<<"$up")

name=$(jq -r '.data.name' <<<"$up")

# 2. Attach it to a matter timeline entry.

octo matter timeline add <matter_id> --data "$(jq -n \

--arg u "$url" --arg n "$name" \

'{content:"see log", attachments:[{url:$u, name:$n, type:"text/plain"}]}')"

```

## 4. Error recovery

| Symptom | Fix |

|--------------------------------------------------|--------------------------------------------------------------------|

| `upload` → `PAYLOAD_TOO_LARGE` | Use `file presigned` / `file credentials` and upload direct to S3. |

| `upload` → `validation` "--file is required" | Path is empty or unreadable; check permissions and absolute path. |

| `download` returns JSON instead of bytes | Expected; extract `.data.url` and fetch with curl/wget. |

| `bot typing` returns 200 but no UI update | Channel type must be `1` and the DM must exist. |

| `bot register` rejected with `UNAUTHORIZED` | Token prefix/env mismatch — confirm with `octo config show`. |

## 5. Schema lookup

```bash

octo schema file.upload

octo schema file.download

octo schema bot.register

octo schema bot.user-info

```