Merge qualified backup expiration parent into GitHub connection work

Co-Authored-By: Paperclip <noreply@paperclip.ing>

* commit 'aae32f2f493848199f6cb8c0a9996af3ee0061b1': (30 commits)
  Scope status-card refresh tasks to their claim revision
  test(chat): retain completion identity before link metadata loads
  test(chat): locate completion through its rendered task link
  fix(chat): recover committed native Agent Chat replies (#18465)
  perf(heartbeat): drive retry promotion from durable deadlines (#18387)
  fix(ui): make the Coordinator composer footer opaque (#18455)
  fix(testops): verify unexpanded result job runs (#18462)
  test(server): observe restored Retry before draining unrelated work
  test(runner): own listener cleanup across setup failures
  test(runner): buffer upgrade frames until the wire subscribes
  fix(runner): preserve OpenCode written-answer defaults (#18456)
  fix(native): fence retries when replaying an audited Stop (#18457)
  test: await async outcomes and drive saved deadlines deterministically (#18416)
  fix(ui): retain startup autosave through session recovery (#18412)
  perf(server): recover independent native replies concurrently (#18421)
  perf(chat): scope task questions and batch inbox queue checks (#18422)
  fix(native): recover controllers across webserver replacement (#18343)
  fix(ui): restore task document authoring and add persistence journey (#18356)
  fix(tools): stabilize tied profile entry order (#18427)
  fix(adapter-utils): tolerate entries removed during workspace snapshots (#18426)
  ...

packages/shared/src/validators/index.ts

@@ -460,6 +460,8 @@ export {
   issueCommentMetadataSectionSchema,
   issueCommentMetadataSchema,
   addIssueCommentSchema,
+  sendChatMessageSchema,
+  markIssueReadSchema,
   issueThreadInteractionStatusSchema,
   issueThreadInteractionKindSchema,
   issueThreadInteractionCanonicalResolverPolicySchema,

packages/shared/src/validators/issue.ts

@@ -1101,6 +1101,12 @@ export const issueCommentMetadataSectionSchema = z
 export const issueCommentMetadataSchema = z
   .object({
     version: z.literal(1),
+    chatMessage: z.object({
+      sourceTaskId: z.uuid(),
+      sourceTaskIdentifier: z.string().min(1).max(80),
+      sourceRunId: z.uuid(),
+      contentHash: z.string().regex(/^[a-f0-9]{64}$/),
+    }).strict().optional(),
     recoveryResponsibility: z.enum(["system", "user"]).optional(),
     sourceChannel: z.enum(CHAT_PROVIDERS).optional(),
     sourceRunId: z.string().guid().nullable().optional(),
@@ -1125,6 +1131,13 @@ export const issueCommentMetadataSchema = z
 
 export type IssueCommentMetadata = z.infer<typeof issueCommentMetadataSchema>;
 
+export const sendChatMessageSchema = z.object({
+  body: multilineTextSchema.pipe(z.string().trim().min(1).max(20000)),
+  idempotencyKey: z.string().trim().min(1).max(240),
+}).strict();
+
+export const markIssueReadSchema = z.object({ throughCommentId: z.uuid().optional() }).strict();
+
 export const addIssueCommentSchema = z.object({
   clientRequestId: z.string().uuid().optional(),
   body: multilineTextSchema.pipe(z.string().min(1)),