diff --git a/packages/subagent/subagent-inprocess/tests/inheritance.spec.ts b/packages/subagent/subagent-inprocess/tests/inheritance.spec.ts
index 17620f7774..899772b964 100644
--- a/packages/subagent/subagent-inprocess/tests/inheritance.spec.ts
+++ b/packages/subagent/subagent-inprocess/tests/inheritance.spec.ts
@@ -84,8 +84,7 @@ describe('in-process policy inheritance', () => {
     const { ctx, parent } = await setupWalled(script)
     const blocked = join(workspace, 'spawn-blocked.txt')
     setSandboxMode(parent.session, 'read-only')
-    // The parent keeps the interactive deployment default: the child pin must
-    // not depend on any parent approval override.
+    // No parent approval override: the child pin must not depend on one.
     expect(ctx.approval.overrideOf(parent.session)).toBeUndefined()
     const parentLogLength = parent.session.events.length
     script.push(
@@ -125,8 +124,7 @@ describe('in-process policy inheritance', () => {
         .join('\n')
       expect(contextText).toContain('Current DSH file policy: read-only')
       expect(contextText).toContain('Approval prompts are disabled')
-      // The delegation-scope statement is a runtime-context fact, so the
-      // deployment system prompt stays uniform across parents and children.
+      // The statement rides runtime context; the system prompt stays uniform.
       expect(contextText).toContain('You are a delegated subagent')
       expect(request.data.header.system).not.toContain('Approval prompts are disabled')
       expect(request.data.header.system).not.toContain('You are a delegated subagent')
@@ -215,8 +213,7 @@ describe('in-process policy inheritance', () => {
   it('rejects a child escalation deterministically even when an answerer would allow it', async () => {
     const script: Script = []
     const { ctx, parent } = await setupWalled(script)
-    // A root answerer that would GRANT: the pinned 'never' must resolve
-    // before any answerer is consulted, so this never runs for the child.
+    // A granting answerer proves the pin resolves before any answerer runs.
     let consulted = false
     ctx.on('approval/request', () => {
       consulted = true
@@ -243,7 +240,6 @@ describe('in-process policy inheritance', () => {
       expect(consulted).toBe(false)
       expect(toolResultTexts(child).join('\n'))
         .toContain('the user rejected escalating this operation to "workspace-write"')
-      // The deterministic rejection still leaves the full audit pair on the child log.
       const asked = child.session.events.find(
         (event): event is SessionEvent<'approval/asked'> => event.type === 'approval/asked',
       )
diff --git a/packages/subagent/subagent-inprocess/tests/structured.spec.ts b/packages/subagent/subagent-inprocess/tests/structured.spec.ts
index 36e63283da..eb9815b56b 100644
--- a/packages/subagent/subagent-inprocess/tests/structured.spec.ts
+++ b/packages/subagent/subagent-inprocess/tests/structured.spec.ts
@@ -247,8 +247,7 @@ describe('in-process structured output', () => {
     const result = await run.result
     expect(result.stopReason).toBe('error')
     expect(result.structured).toBeUndefined()
-    // Exactly one model request and one caller-supplied user message (the
-    // delegation runtime-context snapshot aside): no nudge turn exists.
+    // Exactly one model request and one caller-supplied user message: no nudge turn exists.
     expect(adapter.requests.length).toBe(1)
     const child = ctx.agents.get(run.id)!
     expect(child.session.events.filter(e => e.type === 'user/message' && e.data.source.kind !== 'plugin').length).toBe(1)
diff --git a/packages/subagent/subagent/src/child-agent.ts b/packages/subagent/subagent/src/child-agent.ts
index bc0cf949b9..d1728ad74a 100644
--- a/packages/subagent/subagent/src/child-agent.ts
+++ b/packages/subagent/subagent/src/child-agent.ts
@@ -113,13 +113,9 @@ export interface ChildComposition {
 }
 
 /**
- * Model-facing statement every in-process child receives: the permission
- * scope is fixed at delegation and approval prompts are unavailable, so the
- * child reports a scope limitation instead of retrying denied operations.
- * A runtime-context contribution (not a system-prompt section) because it is
- * a per-session fact: the deployment's system prompt stays uniform across
- * parents and children, and the statement joins the same durable snapshot
- * that carries the sandbox-policy and approval-policy sentences.
+ * Model-facing delegation-scope statement for every in-process child. A
+ * runtime-context contribution rather than a system-prompt section, so the
+ * deployment's system prompt stays uniform across parents and children.
  */
 export const SUBAGENT_DELEGATION_CONTEXT
   = 'You are a delegated subagent: your permission scope was fixed when you were started and cannot be '
@@ -131,14 +127,12 @@ export const SUBAGENT_DELEGATION_CONTEXT
  * Apply one child's scoped composition inside its creation window: the fixed
  * delegation-scope statement, a shadowing persona section, and a tool
  * restriction, all owned by the child's scope and therefore invisible to its
- * parent and siblings. Both creation and cold resume pass through here, so a
- * resumed child keeps the same statement.
+ * parent and siblings. Creation and cold resume both pass through here.
  * @param childCtx - the child agent's scoped creation context.
  * @param composition - the persona and tool filter to install.
  */
 export function applyChildComposition(childCtx: Context, composition: ChildComposition): void {
-  // After sandbox:policy (110) and approval:policy (115): scope, then policy,
-  // then what a delegated child does about a denial.
+  // Order 120: after the sandbox:policy (110) and approval:policy (115) sentences.
   childCtx.systemPrompt.context({ name: 'subagent:delegation', order: 120, text: SUBAGENT_DELEGATION_CONTEXT })
   if (composition.persona !== undefined) {
     childCtx.systemPrompt.section({ name: 'deployment:persona', order: 0, text: composition.persona })
@@ -151,11 +145,9 @@ export interface DelegatedPolicyOverrides {
   /** The parent session's explicit sandbox-mode override, or `undefined` without one. */
   readonly sandboxMode: SandboxMode | undefined
   /**
-   * The child's pinned approval policy, or `undefined` when no approval
-   * capability is composed. Always `'never'` with one composed: a delegated
-   * child acts only within the sandbox scope fixed at delegation, so the
-   * composed `ApprovalService` rejects every child ask deterministically
-   * instead of waiting on a prompt no one is watching.
+   * `'never'` whenever the approval capability is composed, `undefined`
+   * otherwise: a delegated child acts only within the sandbox scope fixed at
+   * delegation, so its asks are rejected deterministically.
    */
   readonly approvalPolicy: 'never' | undefined
 }
@@ -163,12 +155,10 @@ export interface DelegatedPolicyOverrides {
 /**
  * Capture the policy to seed into one delegation. Call synchronously before
  * the child start's first await: a later parent switch belongs to the
- * parent's future, not to this child. The sandbox scope is the parent
- * session's explicit override — deployment defaults and one-shot grants are
- * never captured, so an unswitched parent leaves the child following the
- * deployment default dynamically. The approval policy is never inherited: it
- * is pinned to `'never'` whenever the approval capability is composed,
- * regardless of the parent's own policy.
+ * parent's future, not to this child. Only the parent session's explicit
+ * sandbox override is captured — never deployment defaults or one-shot
+ * grants — and the approval policy is pinned to `'never'` regardless of the
+ * parent's own policy.
  * @param parent - the delegating parent agent.
  * @returns the sandbox override (or `undefined` without one) and the approval pin.
  */
diff --git a/packages/subagent/subagent/tests/continuation-inheritance.spec.ts b/packages/subagent/subagent/tests/continuation-inheritance.spec.ts
index 1e539c28c2..2bc63888ae 100644
--- a/packages/subagent/subagent/tests/continuation-inheritance.spec.ts
+++ b/packages/subagent/subagent/tests/continuation-inheritance.spec.ts
@@ -74,8 +74,7 @@ describe('continuable policy inheritance', () => {
   it('seeds the parent sandbox override and pins approval to never', async () => {
     const { ctx, parent } = await setup([textResponse('child done')])
     setSandboxMode(parent.session, 'danger-full-access')
-    // The parent keeps the interactive deployment default: the child pin must
-    // not depend on any parent approval override.
+    // No parent approval override: the child pin must not depend on one.
     expect(ctx.approval.overrideOf(parent.session)).toBeUndefined()
     let child: Agent | undefined
     ctx.on('agent/created', ({ agent }) => {
@@ -95,11 +94,10 @@ describe('continuable policy inheritance', () => {
       { type: 'sandbox/mode', data: { mode: 'danger-full-access', source: 'delegation' } },
       { type: 'approval/policy', data: { policy: 'never', source: 'delegation' } },
     ])
-    // Durable: a reload folds the same effective policy; the parent keeps its own.
+    // Durable: a reload folds the same effective policy.
     expect(effectiveSandboxMode(loaded.events)).toBe('danger-full-access')
     expect(effectiveApprovalPolicy(loaded.events)).toBe('never')
     expect(ctx.approval.overrideOf(parent.session)).toBeUndefined()
-    // The child's runtime-context snapshot states the fixed delegation scope.
     const runtimeContext = loaded.events.find(
       (event): event is SessionEvent<'user/message'> => event.type === 'user/message'
         && event.data.source.kind === 'plugin'
diff --git a/packages/subagent/subagent/tests/continuation.spec.ts b/packages/subagent/subagent/tests/continuation.spec.ts
index 6e23f6ccae..da3c474aec 100644
--- a/packages/subagent/subagent/tests/continuation.spec.ts
+++ b/packages/subagent/subagent/tests/continuation.spec.ts
@@ -103,7 +103,7 @@ function hasUserText(events: readonly SessionEvent[], text: string): boolean {
     && event.data.content.some(block => block.type === 'text' && block.text === text))
 }
 
-/** Every caller-supplied user-role message text in log order, for FIFO assertions (framework runtime-context snapshots excluded). */
+/** Caller-supplied user message texts in log order (runtime-context snapshots excluded). */
 function userTexts(events: readonly SessionEvent[]): string[] {
   return events.flatMap(event => event.type === 'user/message' && event.data.source.kind !== 'plugin'
     ? event.data.content.flatMap(block => block.type === 'text' ? [block.text] : [])
diff --git a/packages/subagent/tool-subagent-report/tests/tool-subagent-report.spec.ts b/packages/subagent/tool-subagent-report/tests/tool-subagent-report.spec.ts
index c74fb94646..47d0fb3269 100644
--- a/packages/subagent/tool-subagent-report/tests/tool-subagent-report.spec.ts
+++ b/packages/subagent/tool-subagent-report/tests/tool-subagent-report.spec.ts
@@ -411,7 +411,7 @@ describe('dsh-tool-subagent-report', () => {
   })
 })
 
-/** Prove report delivery uses ordinary logged user messages (framework runtime-context snapshots excluded). */
+/** Prove report delivery uses ordinary logged user messages (runtime-context snapshots excluded). */
 function userTexts(events: readonly SessionEvent[]): string[] {
   return events.flatMap(event => event.type === 'user/message' && event.data.source.kind !== 'plugin'
     ? event.data.content.flatMap(block => block.type === 'text' ? [block.text] : [])