Trim redundant source comments

docs/core-data-structures/subagent.md

@@ -22,13 +22,9 @@ A provider advertises its **start-time** features on a static descriptor the ser
  * is the capability.
  */
 interface SubagentCapabilities {
-  /** Honor {@link SubagentStartRequest.outputSchema} (structured final output). */
   readonly outputSchema: boolean
-  /** Enforce {@link SubagentStartRequest.maxDepth} (recursion cap). */
   readonly depthLimit: boolean
-  /** Enforce {@link SubagentStartRequest.toolFilter} (child tool scoping). */
   readonly toolFilter: boolean
-  /** Honor {@link SubagentStartRequest.persona} (a per-child persona). */
   readonly persona: boolean
 }
 ```
@@ -45,16 +41,11 @@ The tool layer builds this request from the model input and its own config; the
  * passes it to {@link SubagentProvider.start}.
  */
 interface SubagentStartRequest {
-  /** The task/prompt for the child agent (a user message in the child session). */
+  /** Content delivered as the child's user message. */
   readonly prompt: ContentBlock[]
   /**
-   * The spawning ("parent") agent — the one whose tool call started this
-   * subagent. REQUIRED: in-process backends read `parent.session.header` for
-   * the working directory, the `parentSession` lineage to stamp on the child,
-   * and the parent's delegation depth. The out-of-process backend (ACP) reads
-   * exactly one field — the session header's cwd, the child's workspace when
-   * no deployment `cwd` override is configured; nothing else crosses the
-   * process boundary.
+   * The spawning agent. In-process providers derive workspace, lineage, and
+   * delegation depth from its durable session state; ACP uses only its cwd.
    */
   readonly parent: Agent
   /**
@@ -65,7 +56,6 @@ interface SubagentStartRequest {
    * afterward.
    */
   readonly signal: AbortSignal
-  /** Per-child agent options (model and plugin-defined extension fields). */
   readonly agentOptions?: AgentOptions
   /**
    * Object-rooted JSON Schema within `assertObjectJsonSchema`'s enforced subset. Start rejects
@@ -135,15 +125,12 @@ interface SubagentResult {
  * non-`completed` result to an `isError` tool result.
  */
 interface SubagentStopReasonMap {
-  /** The child finished its turn normally. */
   completed: 'completed'
-  /** The run was cancelled by its request signal or by disposal. */
+  /** Cancelled through the request signal or disposal. */
   aborted: 'aborted'
-  /** The child failed (model error, transport error). */
+  /** Model or transport failure. */
   error: 'error'
-  /** The child hit its token ceiling before finishing. */
   'max-tokens': 'max-tokens'
-  /** The child declined the task. */
   refusal: 'refusal'
 }
 ```
@@ -180,9 +167,8 @@ interface SubagentRun {
    */
   readonly result: Promise<SubagentResult>
   /**
-   * Cancel remaining work, reach child quiescence, and release the run's
-   * resources (in-process: dispose the owned agent and remove its session;
-   * ACP: kill and reap the subprocess). Idempotent.
+   * Cancel remaining work, reach child quiescence, and release resources.
+   * Idempotent.
    */
   dispose(): Promise<void>
   /**
@@ -206,12 +192,9 @@ Each provider is a named child-agent transport, and multiple providers may coexi
 
 ```ts type-equiv
 /**
- * A subagent backend: one transport for running a child agent (in-process
- * spawn/fork, ACP to another process, …). Implementations register under a
- * unique name via {@link SubagentService.registerProvider}; multiple providers
- * coexist in one context (unlike the single-implementation bash seam). The
- * Providers are trusted same-process implementations; callers treat their
- * descriptors and returned values as borrowed immutable data.
+ * One registered transport for running child agents. Providers are trusted
+ * same-process implementations; callers treat descriptors and returned values
+ * as borrowed immutable data.
  */
 interface SubagentProvider {
   /** Unique registry name (e.g. `spawn`, `fork`, `acp`). */