Merge remote-tracking branch 'origin/master' into codex/pr224-rfc-rewrite
# Conflicts: # docs/architecture.md # docs/capability-seams.md # docs/config-catalog.md # docs/cookbook/extension-cookbook.md # docs/cordis-catalog/events.md # docs/cordis-catalog/services.md # docs/event-producer-consumer.md # docs/module-graph.md # docs/rfc/implemented/feature/2026-06-30-interception-seams.md # docs/rfc/proposed/feature/2026-06-14-acp-agent-client-protocol.md # docs/tool-execution-pipeline.md # packages/cordis/tool-cordis/src/api-catalog.ts # packages/core/agent-core/README.md # packages/core/agent-loop/README.md # packages/core/tools/README.md # packages/core/tools/src/index.ts # packages/core/tools/tests/tools.spec.ts # packages/core/tools/tsconfig.json # packages/ui/acp/src/index.ts # scripts/doc-budgets.manifest.json # scripts/gen-cordis-catalog.ts # scripts/gen-doc-graphs.ts
This commit is contained in:
Tianyi Cui
@@ -21,11 +21,14 @@ import z from 'schemastery'
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import { scopeOf, scopeTarget } from '@deepseek-ai/dsh-scope'
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import type { ScopeKey, Scoped } from '@deepseek-ai/dsh-scope'
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import type { CallId, ContentBlock, ToolSchema } from '@deepseek-ai/dsh-llm'
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import { deepFreeze, HarnessError } from '@deepseek-ai/dsh-llm'
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import { assertNever, deepFreeze, HarnessError } from '@deepseek-ai/dsh-llm'
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import type { Agent, HookContext } from '@deepseek-ai/dsh-agent'
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import { isJsonValue } from '@deepseek-ai/dsh-session'
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import type { ToolProviderResult } from '@deepseek-ai/dsh-system-prompt'
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import type { CodeRuntime } from '@deepseek-ai/dsh-code-runtime'
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// Type-only: makes `ctx.get('approval')` resolve to the ApprovalService
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// augmentation. The seam stays optional at runtime — see `serviceAsk`.
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import type {} from '@deepseek-ai/dsh-user-approval'
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import type { ToolCallView, ToolResultView } from './presentation.ts'
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import { createRunCodeTool, RUN_CODE_NAME, SDK_SECTION_ORDER } from './code-mode.ts'
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import { renderToolsSdk } from './ts-types.ts'
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@@ -86,12 +89,12 @@ declare module 'cordis' {
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* or return a {@link PreToolDecision} without calling `next()` to
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* short-circuit. A `deny` skips dispatch and yields an `isError` result; the
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* tool body never runs. Input rewrite is deliberately NOT offered here (see
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* {@link PreToolDecision}); `ask` degrades to deny until the permission
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* system lands (`FIXME(permissions)`).
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* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`): the carrier is keyed by
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* `exec.agent` — a listener registered through `agent.ctx` fires only for
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* that agent's calls; a plain plugin listener fires for every call
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* (including agent-less ones, which dispatch subject-less).
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* {@link PreToolDecision}); `ask` is serviced by the `ctx.approval` seam
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* when one is mounted, and degrades to deny otherwise.
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* Scope-filtered dispatch (`@deepseek-ai/dsh-scope`) keys the carrier by `exec.agent`: a
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* listener registered through `agent.ctx` fires only for that agent's
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* calls, while a plain plugin listener fires for every call (including
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* agent-less ones, which dispatch subject-less).
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* @param exec - the pending call (name, parsed arguments, caller agent).
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* @mode waterfall
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*/
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@@ -340,8 +343,9 @@ export interface ToolExecutionResult {
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* would desync the UI from what RAN. That consistency redesign is its own
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* `proposed` RFC; `TODO(pre-tool-input-rewrite)` anchors it at the call site.)
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* - `deny` skips dispatch; the loop records an `isError` result carrying `reason`.
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* - `ask` is the permission-prompt intent; until the permission system exists it
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* degrades to `deny` (`FIXME(permissions)`).
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* - `ask` is the permission-prompt intent: serviced as a one-shot decision by
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* the `ctx.approval` seam when one is mounted (`allowed-once` proceeds to
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* dispatch; every other outcome denies), degrading to `deny` when none is.
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*/
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export type PreToolDecision =
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| { kind: 'allow' }
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@@ -891,7 +895,7 @@ export class ToolRegistry extends Service {
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* Execute one tool call through the `tools/pre-execute` → guards →
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* `tools/execute` (around dispatch) → `tools/post-execute` → `tools/result`
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* pipeline. `pre-execute` is the extensible gate
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* (allow/deny), `tools/execute` wraps core dispatch (a timeout/retry/metrics
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* (allow/deny/ask), `tools/execute` wraps core dispatch (a timeout/retry/metrics
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* seam), and `post-execute` is the inspect/transform seam; core dispatch sits
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* as the base `next()` of the `tools/execute` waterfall. The whole thing is
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* wrapped in one outer try/catch so a throwing listener (in any waterfall)
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@@ -993,24 +997,22 @@ export class ToolRegistry extends Service {
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/** Run the transformable pipeline; {@link execute} owns final normalization and notification. */
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private async executePipeline(exec: ToolExecution): Promise<ToolExecutionResult> {
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// --- Gate: tools/pre-execute. A deny (or an ask, which degrades to deny
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// until the permission system lands) skips dispatch entirely. The
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// carrier keys the dispatch by exec.agent, so an `agent.ctx` listener
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// gates only its own agent's calls (agent-less calls are subject-less).
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// --- Gate: tools/pre-execute. An `ask` resolves through the optional
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// approval seam (or degrades to deny) before the monotonic guards run. The
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// carrier keys dispatch by exec.agent, so an `agent.ctx` listener gates only
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// its own agent's calls (agent-less calls are subject-less).
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const carrier = scopeTarget(this, exec.agent)
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const decision = await this.ctx.waterfall(
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const gate = await this.ctx.waterfall(
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carrier, 'tools/pre-execute', exec,
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() => Promise.resolve<PreToolDecision>({ kind: 'allow' }),
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)
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const decision = gate.kind === 'ask' ? await this.serviceAsk(exec, gate) : gate
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const denialReason = decision.kind === 'allow'
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? this.guardReason(exec)
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: decision.kind === 'deny'
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? decision.reason
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: decision.reason ?? `tool "${exec.name}" requires approval (not yet supported)`
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: decision.reason
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if (denialReason !== undefined) {
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// deny → isError. ask has no permission UI yet, so degrade to deny
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// (FIXME(permissions)): a forthcoming permission system turns `ask` into
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// a real prompt; today it is the conservative "not allowed".
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// Every non-grant, including a failed/unavailable approval request, takes
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// the same deny path and still reaches post-policy plus result observers.
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const denied: ToolExecutionResult = {
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callId: exec.callId,
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content: [{ type: 'text', text: `Error: ${denialReason}` }],
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@@ -1074,6 +1076,44 @@ export class ToolRegistry extends Service {
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}))
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}
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/**
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* Resolve an `ask` decision to allow/deny through the approval seam. The
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* seam is consumed opportunistically with `ctx.get('approval')` — a
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* deployment that composes no ApprovalService keeps the historical degrade
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* to deny, and an unmount mid-session degrades the same way on the next ask.
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* An agent-less execution also degrades: without an agent there is no
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* session to audit to and no UI to route to. Otherwise the outcome maps
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* one-to-one — `allowed-once` proceeds; the three non-grants deny with
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* distinct reasons so the model can tell a human "no" from an absent
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* approval channel.
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*/
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private async serviceAsk(
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exec: ToolExecution,
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ask: Extract<PreToolDecision, { kind: 'ask' }>,
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): Promise<Extract<PreToolDecision, { kind: 'allow' | 'deny' }>> {
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const approval = this.ctx.get('approval')
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if (approval === undefined) {
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return { kind: 'deny', reason: ask.reason ?? `tool "${exec.name}" requires approval (not yet supported)` }
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}
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if (exec.agent === undefined) {
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return { kind: 'deny', reason: `tool "${exec.name}" requires approval, but the call has no agent to route it through` }
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}
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const outcome = await approval.request({
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agent: exec.agent,
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toolName: exec.name,
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callId: exec.callId,
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...ask.reason !== undefined ? { reason: ask.reason } : {},
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...exec.signal !== undefined ? { signal: exec.signal } : {},
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})
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switch (outcome) {
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case 'allowed-once': return { kind: 'allow' }
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case 'rejected': return { kind: 'deny', reason: `the user rejected tool "${exec.name}"` }
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case 'cancelled': return { kind: 'deny', reason: `approval for tool "${exec.name}" was cancelled` }
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case 'unavailable': return { kind: 'deny', reason: `tool "${exec.name}" requires approval, but no approval channel is available` }
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default: return assertNever(outcome, 'ApprovalOutcome')
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}
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}
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/**
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* Run the `tools/post-execute` waterfall over a dispatched `result` and apply
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* its {@link PostToolDecision}: `accept` keeps the call successful (replacing
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