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Preserve instruction symlink guard through fs seam

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This commit is contained in:
Yichen Jiang
2026-07-06 13:55:20 +08:00
parent 3c42352310
commit 901315d8ab
18 changed files with 258 additions and 25 deletions
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6
docs/cordis-catalog/events.md
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@@ -159,7 +159,7 @@ Single-slot decision: produce the optional version guard for the next FileSystem
Types: [FsTarget](../core-data-structures/filesystem.md) · [FsVersion](../core-data-structures/filesystem.md)
Source: [`packages/fs/fs/src/index.ts:123`](../../packages/fs/fs/src/index.ts)
Source: [`packages/fs/fs/src/index.ts:125`](../../packages/fs/fs/src/index.ts)
### `fs/observed` — emit
@@ -171,7 +171,7 @@ Record that an actor observed a target at a version, after a successful read/wri
Types: [FsTarget](../core-data-structures/filesystem.md) · [FsVersion](../core-data-structures/filesystem.md)
Source: [`packages/fs/fs/src/index.ts:138`](../../packages/fs/fs/src/index.ts)
Source: [`packages/fs/fs/src/index.ts:140`](../../packages/fs/fs/src/index.ts)
### `fs/write-intent` — waterfall
@@ -183,7 +183,7 @@ Single-slot decision: produce the write intent for the next FileSystem.writeText
Types: [FsTarget](../core-data-structures/filesystem.md) · [FsWriteIntent](../core-data-structures/filesystem.md)
Source: [`packages/fs/fs/src/index.ts:109`](../../packages/fs/fs/src/index.ts)
Source: [`packages/fs/fs/src/index.ts:111`](../../packages/fs/fs/src/index.ts)
## `llm/*`

6
docs/cordis-catalog/services.md
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@@ -87,12 +87,13 @@ Source: [`packages/compact/compact/src/index.ts:63`](../../packages/compact/comp
## `ctx.fs` — `FileSystem` (abstract seam)
Abstract filesystem provider service. Subclass, implement the seven storage primitives, and load the subclass as a plugin — it registers as `ctx.fs` (one implementation per context; loading a second throws, cordis' standard duplicate-service behavior).
Abstract filesystem provider service. Subclass, implement the eight storage primitives, and load the subclass as a plugin — it registers as `ctx.fs` (one implementation per context; loading a second throws, cordis' standard duplicate-service behavior).
Semantics every backend must honor:
- resolve returns a stable FsTarget; the same underlying file reached by different input paths must yield the same `targetKey` so stale guards and target lookup agree across paths (e.g. through symlinks).
- stat returns FsInfo metadata (never content) or `undefined` when the target is absent.
- lstat returns path metadata without following the final path component if it is a symlink. Consumers that treat repository-owned symlinks as a trust-boundary hazard use this BEFORE resolve; ordinary target operations still use `resolve` + `stat`.
- readText/streamText read the whole regular text file (the stream for large files); both own regular-file checks, UTF-8 decoding, binary/NUL rejection, and `FS_NOT_TEXT`.
- listDir returns direct children of a directory in stable name order with resolved child targets and cheap metadata only. It never reads file contents. Missing targets throw `FS_NOT_FOUND`, non-directories throw `FS_NOT_DIRECTORY`, permission failures throw `FS_PERMISSION_DENIED`, and other backend I/O failures throw `FS_IO_ERROR`.
- writeText is atomic temp-file + rename. `expected` is OPTIONAL: omit it for an unconditional create-or-overwrite (the bare-provider default), or supply a FsWriteIntent to guard the write.
@@ -101,6 +102,7 @@ Semantics every backend must honor:
```ts cordis-catalog
abstract resolve(path: string, opts?: { cwd?: string }): Promise<FsTarget>
abstract stat(target: FsTarget, signal?: AbortSignal): Promise<FsInfo | undefined>
abstract lstat(path: string, opts?: { cwd?: string }, signal?: AbortSignal): Promise<FsPathInfo | undefined>
abstract readText(target: FsTarget, signal?: AbortSignal): Promise<string>
abstract streamText(target: FsTarget, signal?: AbortSignal): Promise<AsyncIterable<string>>
abstract listDir(target: FsTarget, signal?: AbortSignal): Promise<FsDirEntry[]>
@@ -110,7 +112,7 @@ abstract editText(target: FsTarget, edit: FsEditRequest, expected?: { version: F
Types: [FsEditOutcome](../core-data-structures/filesystem.md) · [FsEditRequest](../core-data-structures/filesystem.md) · [FsInfo](../core-data-structures/filesystem.md) · [FsTarget](../core-data-structures/filesystem.md) · [FsVersion](../core-data-structures/filesystem.md) · [FsWriteIntent](../core-data-structures/filesystem.md) · [FsWriteOutcome](../core-data-structures/filesystem.md)
Source: [`packages/fs/fs/src/index.ts:172`](../../packages/fs/fs/src/index.ts)
Source: [`packages/fs/fs/src/index.ts:178`](../../packages/fs/fs/src/index.ts)
## `ctx.llm` — `LlmService`