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feat(fs): add a minimal read_image tool over the attachment and fs seams

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The model reads a PNG/JPEG/WebP/GIF file, the bytes commit through the
durable attachment lifecycle, and the tool result carries the real
ImageBlock so the image enters context from the next request onward.
FileSystem gains a bounded readBytes primitive (local + E2B providers);
registration is conditional on the attachment store, and a strict
execution gate refuses routes that do not declare image input, so a
text route's durable history stays free of image blocks. llm-replay
models may declare inputModalities, letting keyless ACP snapshots pin
both the sha256-referenced success and the verbatim refusal.

Supersedes the withdrawn route-scoped design of PR #598; the decision
record is .agents/notes/implemented/feature/2026-08-10-minimal-read-image-tool.md.
This commit is contained in:
creatixchu
2026-08-10 15:09:07 +08:00
parent 3764ce62a5
commit 1861a3fc7c
65 changed files with 1973 additions and 67 deletions
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10
docs/config-catalog.md
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@@ -528,7 +528,7 @@ export interface Config {
}
```
Source: [`packages/fs/fs-local/src/index.ts:39`](../packages/fs/fs-local/src/index.ts)
Source: [`packages/fs/fs-local/src/index.ts:40`](../packages/fs/fs-local/src/index.ts)
## `@deepseek-ai/dsh-fs-sandbox`
@@ -983,12 +983,14 @@ export interface ReplayModelConfig {
description?: string
/** Optional positive integer context capacity published by the replay adapter. */
contextWindow?: number
/** Optional declared input modalities, so a scenario can exercise capability gates (e.g. image-capable `read_image`). */
inputModalities?: readonly ModelModality[]
}
```
Depends on: [`RetryPolicyConfig`](../packages/llm/llm/src/index.ts)
Depends on: [`ModelModality`](../packages/llm/llm/src/index.ts) · [`RetryPolicyConfig`](../packages/llm/llm/src/index.ts)
Source: [`packages/support/llm-replay/src/index.ts:744`](../packages/support/llm-replay/src/index.ts)
Source: [`packages/support/llm-replay/src/index.ts:751`](../packages/support/llm-replay/src/index.ts)
## `@deepseek-ai/dsh-llm-retry`
@@ -2079,7 +2081,7 @@ export interface Config {
}
```
Source: [`packages/fs/tool-fs/src/index.ts:24`](../packages/fs/tool-fs/src/index.ts)
Source: [`packages/fs/tool-fs/src/index.ts:25`](../packages/fs/tool-fs/src/index.ts)
## `@deepseek-ai/dsh-tool-fs-search`