refactor(webserver): extract SPA dist serving to the frontend-static fallback seat

The webserver's built-in static dist serving becomes a single-owner fallback
seat (registerFallback/applyIndexTaps); the SPA server moves to the new
@deepseek-ai/dsh-frontend-static plugin so the composing application owns its
dist as composition, not carrier config. distIndex leaves the webserver
schema; unclaimed fallback answers 404.
This commit is contained in:
Turtle
2026-08-06 04:39:52 +08:00
parent d0cb6770a9
commit 2ee2ee2f96
23 changed files with 567 additions and 141 deletions

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@@ -759,7 +759,7 @@ Source: [`packages/goal/goal/src/index.ts:197`](../../packages/goal/goal/src/ind
## `ctx.httpServer` — `HttpServerService`
The web-shape HTTP carrier service. Activation listens immediately (route registration order carries no request-facing semantics: named routes are composed to be disjoint, and the static dist fallback answers anything not yet claimed during the boot window). A listen failure throws out of init — a FAILED fiber the boot's fail-loud sweep reports.
The web-shape HTTP carrier service. Activation listens immediately (route registration order carries no request-facing semantics: named routes are composed to be disjoint, and the fallback seat answers anything not yet claimed during the boot window — 404 until its owner registers). A listen failure throws out of init — a FAILED fiber the boot's fail-loud sweep reports.
```ts cordis-catalog
/**
@@ -779,15 +779,33 @@ register(route: WebRoute): () => void
registerUpgrade(route: WebUpgradeRoute): () => void
/**
* Register an index.html transform, applied to every index response in
* registration order.
* Claim the fallback seat: the handler answering every request no named
* route matches (the SPA dist server in the shipped Web composition). One
* owner only — a second registration throws, because two fallbacks cannot
* compose.
* @param handler - owns the full response lifecycle of unmatched requests.
* @returns the disposer releasing the seat.
*/
registerFallback(handler: WebRoute['handler']): () => void
/**
* Register an index.html transform, applied by the fallback owner to every
* index response ({@link applyIndexTaps}) in registration order.
* @param transform - pure html-to-html function.
* @returns the disposer removing the transform.
*/
tapIndex(transform: (html: string) => string): () => void
/**
* Run an index.html body through the registered taps in registration order
* — called by the fallback owner on every index response it renders.
* @param html - the raw index.html body.
* @returns the transformed body.
*/
applyIndexTaps(html: string): string
```
Source: [`packages/host/webserver/src/index.ts:63`](../../packages/host/webserver/src/index.ts)
Source: [`packages/host/webserver/src/index.ts:60`](../../packages/host/webserver/src/index.ts)
## `ctx.invariants` — `InvariantService`

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@@ -69,7 +69,7 @@ This matrix shows which packages dispatch each harness-owned event and which pac
| `connection/reset` | `runtime` (`emit`) | `ui-command`, `ui-models`, `ui-permission`, `ui-settings-general` |
| `credentials/changed` | `runtime` (`emit`) | `ui-models` |
| `internal/dispatch` | - | [`commands`](../packages/ui/commands), [`compact`](../packages/compact/compact), [`fs`](../packages/fs/fs), [`goal`](../packages/goal/goal), [`goal-session`](../packages/goal/goal-session), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm-retry`](../packages/llm/llm-retry), [`permission`](../packages/ui/permission), [`plan-mode`](../packages/plan/plan-mode), [`pty-local`](../packages/pty/pty-local), `runtime`, [`sandbox-policy`](../packages/sandbox/sandbox-policy), [`scope`](../packages/core/scope), [`session`](../packages/core/session), [`session-title`](../packages/session-title/session-title), [`subagent`](../packages/subagent/subagent), [`time-context`](../packages/context/time-context), [`tool-todo`](../packages/todo/tool-todo), [`tools`](../packages/core/tools), [`user-approval`](../packages/ui/user-approval), [`workflow`](../packages/workflow/workflow) |
| `internal/plugin` | - | `hmr`, `loader`, `modules`, `webserver` |
| `internal/plugin` | - | [`frontend-static`](../packages/host/frontend-static), `hmr`, `loader`, `modules`, `webserver` |
| `internal/status` | - | [`agent`](../packages/core/agent) |
| `locale/change` | `locale` (`emit`) | `locale` |
| `models/changed` | `runtime` (`emit`) | `ui-models` |