fix: 收口上下文压缩生命周期边界

src/lib/opencode-session-state.ts

@@ -674,8 +674,18 @@ export function hydrateOpenCodeSession(
   const snapshotOrder = [...next.compactionOrder];
   snapshotOrder.forEach((id, index) => {
     const snapshotEvent = next.compactionsById[id];
-    const existingID = snapshotEvent.nativePartID
-      ? findCompactionId(current ?? state, { nativePartID: snapshotEvent.nativePartID })
+    const existingID = current
+      ? findCompactionId(current, { id: snapshotEvent.id })
+        ?? (snapshotEvent.nativePartID
+          ? findCompactionId(current, { nativePartID: snapshotEvent.nativePartID })
+          : undefined)
+        ?? (snapshotEvent.anchorPartID
+          ? [...current.compactionOrder].reverse().find((candidateID) => {
+              const candidate = current.compactionsById[candidateID];
+              return candidate?.anchorPartID === snapshotEvent.anchorPartID
+                && candidate.anchorMessageID === snapshotEvent.anchorMessageID;
+            })
+          : undefined)
       : undefined;
     const pendingID = !existingID && snapshotEvent.source === 'manual'
       ? [...(current?.compactionOrder ?? [])].reverse().find((candidateID) => {
@@ -694,10 +704,10 @@ export function hydrateOpenCodeSession(
     const preservedID = existingID ?? pendingID;
     const existing = preservedID ? current?.compactionsById[preservedID] : undefined;
     const idToUse = preservedID ?? id;
-    const isLatestActive = status !== 'idle' && index === snapshotOrder.length - 1;
     const completed = existing?.status === 'completed'
       || snapshotEvent.completedAt !== undefined
-      || !isLatestActive;
+      || status === 'idle'
+      || existing?.status !== 'running';
     if (idToUse !== id) {
       const compactionsById = { ...next.compactionsById };
       delete compactionsById[id];

src/stores/opencode.ts

@@ -2390,6 +2390,7 @@ function finishSessionRunSuccessfully(
   runToken: number,
   messages: RawMessage[],
   statuses: Record<string, OpencodeSessionStatus> = {},
+  compactionGeneration?: number,
 ): boolean {
   if (!isSessionRunCurrent(sessionId, runToken)) return false;
   flushSessionRunStreamBatch(set, sessionId, runToken);
@@ -2397,6 +2398,19 @@ function finishSessionRunSuccessfully(
   set((state) => {
     const sendingSessionIds = withoutKey(state.sendingSessionIds, sessionId);
     const nextState = { ...state, sendingSessionIds };
+    const currentTranscript = state.sessionTranscriptBySessionId[sessionId];
+    const completedTranscript = compactionGeneration !== undefined
+      && state.runtimeGeneration === compactionGeneration
+      ? completeCompaction(
+          getOrCreateSessionTranscript(state, sessionId),
+          { runID: String(runToken), generation: compactionGeneration },
+          {
+            runID: String(runToken),
+            generation: compactionGeneration,
+            completedAt: Date.now(),
+          },
+        )
+      : currentTranscript;
     return {
       ...getSessionMessagePatch(state, sessionId, messages),
       ...dispatchSessionRunEvent(state, sessionId, {
@@ -2413,6 +2427,14 @@ function finishSessionRunSuccessfully(
       sendingSessionId: getSendingSessionIdForSelection(nextState),
       loading: false,
       ...errorState(null),
+      ...(completedTranscript && completedTranscript !== currentTranscript
+        ? {
+            sessionTranscriptBySessionId: {
+              ...state.sessionTranscriptBySessionId,
+              [sessionId]: completedTranscript,
+            },
+          }
+        : {}),
     };
   });
   invalidateSessionRun(sessionId);
@@ -3051,6 +3073,7 @@ async function runSessionSubmission(
           runToken,
           messages,
           statuses,
+          submission.kind === 'compact' ? runGeneration : undefined,
         );
         if (
           completed