diff --git a/.github/workflows/persona-thinking-window.yml b/.github/workflows/persona-thinking-window.yml
index 572c2269..b5f1ebf2 100644
--- a/.github/workflows/persona-thinking-window.yml
+++ b/.github/workflows/persona-thinking-window.yml
@@ -62,6 +62,16 @@ jobs:
 
           if [ -n "${{ github.event.inputs.persona_id }}" ]; then
             PERSONA="${{ github.event.inputs.persona_id }}"
+            # Lookup NAME for manually specified persona_id
+            case "$PERSONA" in
+              ICE-GL-ZY001)  NAME="铸渊" ;;
+              ICE-NTN-SY001) NAME="霜砚" ;;
+              PER-ZQ001)     NAME="知秋" ;;
+              PER-QQ001)     NAME="秋秋" ;;
+              PER-SS001)     NAME="舒舒" ;;
+              ICE-GL-YM001)  NAME="曜冥" ;;
+              *)             NAME="$PERSONA" ;;
+            esac
           fi
 
           echo "persona=$PERSONA" >> $GITHUB_OUTPUT
@@ -122,6 +132,7 @@ jobs:
         env:
           LLM_API_KEY: ${{ secrets.LLM_API_KEY }}
           LLM_BASE_URL: ${{ secrets.LLM_BASE_URL }}
+          LLM_MODEL: ${{ vars.LLM_MODEL || 'deepseek-chat' }}
           PERSONA_ID: ${{ steps.schedule.outputs.persona }}
           PERSONA_NAME: ${{ steps.schedule.outputs.name }}
           YESTERDAY_TICKET: ${{ steps.context.outputs.yesterday_ticket }}
@@ -167,7 +178,7 @@ jobs:
           import json, sys, os
           prompt = os.environ['PROMPT']
           print(json.dumps({
-            'model': 'deepseek-chat',
+            'model': os.environ.get('LLM_MODEL', 'deepseek-chat'),
             'messages': [{'role': 'system', 'content': prompt}],
             'temperature': 0.8,
             'max_tokens': 2000
@@ -243,7 +254,7 @@ jobs:
           with open(general, "a") as f:
             for m in msgs:
               msg = {
-                "id": f"MSG-{datetime.now().strftime('%Y%m%d')}-{abs(hash(m.get('message',''))) % 10000:04d}",
+                "id": f"MSG-{datetime.now().strftime('%Y%m%d')}-{int(__import__('hashlib').md5(m.get('message','').encode()).hexdigest(), 16) % 10000:04d}",
                 "channel": "general",
                 "from": persona_id,
                 "from_name": persona_name,
diff --git a/grid-db/schema/thinking-ticket.schema.json b/grid-db/schema/thinking-ticket.schema.json
index 5132e0f4..503f1da1 100644
--- a/grid-db/schema/thinking-ticket.schema.json
+++ b/grid-db/schema/thinking-ticket.schema.json
@@ -7,7 +7,7 @@
   "properties": {
     "ticket_id": {
       "type": "string",
-      "pattern": "^THINK-[A-Z]{2}-[0-9]{8}$",
+      "pattern": "^THINK-[A-Z]{2,4}-[0-9]{8}$",
       "description": "思考工单编号，格式: THINK-{人格体缩写}-{日期}"
     },
     "persona_id": {