dsh-phone-inbox

dsh-phone-inbox

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The session's inbound phone (WeChat bridge) attachment inbox: list the attachments this conversation actually received, and adopt one into the workspace on demand.

Workflow overview: install → open panel → act. The examples below use the real command surface.

Install & uninstall

dsh plugin --profile <name> add dsh-phone-inbox
dsh plugin --profile <name> remove dsh-phone-inbox

The plugin has no runtime dependencies (dependencies is empty). Its only peers are the host packages it is built against; see the peerDependencies block in package.json.

The problem this closes

dsh-wechat saves inbound phone media to ~/.dsh-wechat/tempfile/ — outside the session workspace — and writes the absolute path into a plain text block. Two consequences follow, and neither is visible to the user:

1. Workspace-confined tools cannot read it. dsh-data-quality rejects any path that escapes the session workspace (path-escape), so "I sent you a CSV, profile it" fails even though the file is right there.
2. The file name is destroyed. The bridge names the file ${Date.now()}-${rand4hex}-${name.replace(/[^\w.-]/g, "_")}, so 材料.csv lands on disk as __.csv. The user cannot recognize their own file.

dsh-phone-inbox adds no new channel and copies nothing by default. It makes the session's own inbound list addressable, and it restores the name the bridge mangled — from the [收到文件: <name>] marker the bridge already writes.

What you get

Tool	Question it answers
inbox_list	"Where is the file I just sent you from my phone?"
inbox_adopt	"Put it somewhere my workspace-confined tools can read it."

Both tools are registered by the function plugin, so they appear in the model's tool list as soon as the bundle row is mounted.

Quick start

# 1. Mount the plugin (a bundle row in the target profile)
dsh plugin --profile <name> add dsh-phone-inbox

Then, in a session that received a phone attachment:

inbox_list                                   # the paths this session received
inbox_adopt { "path": "<the path from inbox_list>" }

inbox_adopt returns relativePath (for example phone-inbox/材料.csv). Pass that to a workspace-confined tool such as data_profile; pass the original host path only to consumers that accept any absolute path.

Compatibility

Engine	Range
Node.js	^22.19.0 || >=24.0.0
DSH	>=0.2.1-alpha.1

The host peer range is the ecosystem's canonical six-clause OR range (see dsh-plugin-kit/data/peer-range.json). The host evaluates peerDependencies at preflight and silently disables a plugin row whose range does not admit the running version, so a wrong range looks like "the plugin mounted and does nothing". The host also adjudicates engines.dsh independently; a mismatch there can disable the row even when the peer range admits the version.

Examples

These are the plugin's real entry points; install once, then call one.

Detailed example

Command

inbox_adopt

Input

{
  "path": "/tmp/dsh-test-phone-inbox-acceptance-5AoMHy/.dsh-wechat/tempfile/1792414010975-0a67121b-__.csv"
}

Output

{
  "relativePath": "phone-inbox/材料.csv",
  "copyMethod": "node-fs"
}

Observed from plugins/dsh-phone-inbox/scripts/acceptance.mjs:134-147

Failure branch

Input

{"path":"/tmp/dsh-phone-inbox-example/workspace/local.csv"}

Output

phone-inbox could not adopt that attachment.
reason: not-in-inbox
/tmp/dsh-phone-inbox-example/workspace/local.csv is not inside the inbox directory /tmp/dsh-phone-inbox-example/inbox; this plugin only adopts files the bridge saved there

Observed from plugins/dsh-phone-inbox/src/provider-base.ts:443-449; plugins/dsh-phone-inbox/src/render.ts:108-115; plugins/dsh-phone-inbox/tests/integration.test.ts:359-368

Brief examples

• inbox_adopt

Configuration

Every field is optional; the table lists the default. See cordis.patch.yml for the same values with inline comments.

Key	Default	Meaning
enabled	true	Master switch; false mounts no service and no tools.
inboxDir	"" → ~/.dsh-wechat/tempfile	Directory the bridge drops inbound media into. Empty derives the bridge's own default; set it when the bridge's storageDir was moved.
maxItems	5	Cap on entries inbox_list returns. The MVP contract is "the session's most recent few".
provider	session	Which registered provider answers: session (this conversation's own messages) or tempdir (session plus a scan of inboxDir).
allowTempdirScan	false	Enables the directory scan at all. Off because inboxDir is global.
tempdirScanMaxItems	5	Cap on entries a scan may contribute.
tempdirScanMaxAgeMs	3600000	Age ceiling for a scanned file; 0 disables the filter.
markers	see below	Marker wording per media kind, as RegExp sources.
defaultSubdir	phone-inbox	Workspace subdirectory inbox_adopt writes into.
restoreOriginalName	true	Use the sender's recovered original name as the adopted file name.
writeChannel	auto	auto (fs service for text, node:fs otherwise) · fs (host fs service only) · node (bytes directly).
registerAttachment	false	Also register adopted bytes as a durable host attachment. Attachment objects are never garbage-collected.

The markers default wording, per media kind — each value is a RegExp source whose first capture group is the path:

• image.path — 文件已保存到:\s*(\S+)
• file.path — (?:文件已保存到|文件路径):\s*(\S+)
• file.name — \[收到文件:\s*([^\]\r\n]+)\]
• video.path — 文件已保存到:\s*(\S+)

Marker wording is a soft contract with the bridge: it writes the path into prose, and the prose can change between bridge releases without notice. The patterns are configuration precisely so a wording change is a config edit rather than a plugin release.

Tools & surfaces

inbox_list({
  limit?: number,            // default: config.maxItems
  includeTempdir?: boolean,  // only honoured when allowTempdirScan is true
})

Returns { ok: true, source, inboxDir, items[], attachments, deriveMessages, emptyReason?, emptyDetail?, tempdirScan, unresolvedAttachmentBlocks }, or { ok: false, reason, detail }.

inbox_adopt({
  path: string,              // required: exactly what inbox_list reported
  name?: string,             // default: the recovered original name
  subdir?: string,           // default: config.defaultSubdir
  channel?: 'auto' | 'fs' | 'node',
  overwrite?: boolean,       // default false: a duplicate gets a -1 suffix
  register?: boolean,        // default: config.registerAttachment
})

Returns { ok: true, item } with hostPath, workspacePath, relativePath, bytes, sha256, copyMethod, nameRestored, sourceLeafName, and attachmentId/attachmentHostPath when registered; or { ok: false, reason, detail }.

The plugin also appends one system-prompt section (phone-inbox, order 320) so the model knows the capability exists, and subscribes to session/event for user/message observation. Neither is required for correctness: the history read is authoritative on every call.

Permissions & data

• Reads inboxDir and the calling session's own messages. Nothing else.
• Writes only inside the session workspace (path.resolve + a separator-aware containment check), and only when inbox_adopt is called.
• Refuses a source path that is not under inboxDir, a subdir that escapes the workspace, and a name that could traverse. The path argument comes from the model and is never trusted.
• Does not scan the shared inbox directory unless allowTempdirScan is explicitly enabled; when it does, every entry it contributes is stamped source: "tempdir".
• Never overwrites silently. A duplicate destination gets a -1, -2, … suffix unless overwrite: true.
• Registers nothing as a durable attachment unless asked; registration copies bytes into the host's attachment store, which has no garbage collection.

Security boundaries

• Reads are not fenced by the host's fs sandbox (the fence wraps only writeText/editText), so this plugin enforces its own containment on both ends of the copy.
• The fs write channel goes through ctx.fs.writeText with the session-scoped sandbox policy, so a confining backend fences it exactly as it fences the write tool. node bypasses that fence by construction; it exists because ctx.fs has no byte-write API. The returned copyMethod always says which one ran.
• auto prefers the fs service for text and falls back to node:fs; the fallback reason is recorded and the channel is reported, never implied.
• The tempdir scan cannot prove which conversation a file belongs to. That is why it is off by default and why its items carry their own source.
• The bridge's inbox directory is not guaranteed to be private (a bridge refactor removed the explicit 0o700/0o600 handling). This plugin does not assume otherwise.

Known limitations

• A path containing a literal space is truncated at the space by the default marker wording. The capture is (\S+) because that is what stops it from swallowing the sentence the bridge writes after the path; the bridge's own temp names never contain a space.
• Image and video kinds are reported as file. The bridge uses the same wording for both, so the kind is not recoverable from the text; the leaf name (image.png, video.mp4) tells them apart.
• An image or video has no recoverable original name. The bridge saves them as image.<ext> / video.mp4 and the wording carries no original name. The plugin reports the on-disk name and says so rather than inventing one.
• A Windows path is only usable on Windows (and a POSIX path only on POSIX). The plugin normalizes separators the way the running platform does.
• inbox_adopt needs the file to still exist. The bridge never cleans tempfile/, but nothing guarantees it stays.
• No real WeChat traffic has been exercised. See the acceptance script for what is verified, and its output for the scripted-vs-real boundary.

Development

pnpm install
pnpm run typecheck && pnpm test && pnpm run build \
  && pnpm run verify:self-contained && pnpm run verify:artifacts \
  && pnpm run check:readmes && pnpm run check:lockfile
pnpm run acceptance          # end-to-end: probe -> list -> adopt -> dsh-data-quality

prepublishOnly re-runs the gate, so a release cannot ship an unbuilt or drifted tree.

Topics

dsh · dsh-plugin · deepseek-harness · cordis · wechat · inbox · attachment · phone

Contributors

PerryLink.

PerryLink DSH Plugin Family

This project is part of the DeepSeek Harness plugin family from PerryLink. The roster stays collapsed below so every README keeps a short first screen; expand it to see every row and its status.

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License

Apache-2.0. Every file in this repository is covered by it.