docs: update flowchart - mark age-to-ansible-vault migration as completed, update secret structure

docs/flowchart.md

@@ -43,7 +43,9 @@ flowchart TD
     J --> K[git push]
 ```
 
-## 加密格式變更流程
+## 加密格式變更流程（已完成）
+
+> ⚠️ 此流程已於 2026-08-06 完成，vault.yml 現為 ansible-vault 格式。
 
 ```mermaid
 flowchart TD
@@ -60,18 +62,26 @@ flowchart TD
 
 ```mermaid
 flowchart LR
-    Vault[vault.yml] --> HTTP[http_nodes]
+    Vault[vault.yml] --> OPEN[openclaw_alice]
+    Vault --> KM[KM_gitea]
+    Vault --> GITEA[gitea]
     Vault --> KUMON[kumon_com_tw]
     
+    OPEN --> HTTP[http_nodes]
+    OPEN --> SSH[ssh_nodes]
+    OPEN --> COWBAY[cowbay_provider]
+    OPEN --> INFRA[infra]
+    
     HTTP --> BYNARA[bynara]
     HTTP --> GOOGLE[google_ai_studio]
-    
-    BYNARA --> BY_KEY[api_key]
-    BYNARA --> BY_URL[base_url]
+    HTTP --> NPM[NPM]
+    HTTP --> LINEAR[linear]
+    HTTP --> TAVILY[tavily]
+    HTTP --> MORE[...共 16 個]
     
     KUMON --> R2[cloudflare_r2]
+    R2 --> BUCKET[bucket: deyu-imgbed]
     R2 --> ACC[account_id]
-    R2 --> ZONE[zone_id]
     R2 --> AK[access_key_id]
     R2 --> EP[endpoint]
     R2 --> SK[secret_access_key]