fix(telegram): 重設計訊息格式 + 修復 detail/reanalyze/history 按鈕失效

- format() / format_with_nemotron(): 移除 ═══ 分隔符，改為簡潔換行佈局
- send_approval_card(): 新增 incident_id 參數，傳入 _build_inline_keyboard()
- decision_manager.py: 呼叫 send_approval_card() 時傳入 incident.incident_id
- 問題根因: incident_id 未傳入 _build_inline_keyboard() 導致第二排按鈕從未渲染

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/api/src/services/decision_manager.py

@@ -139,6 +139,8 @@ async def _push_decision_to_telegram(
             nemotron_tools=nemotron_tools,
             nemotron_validation=nemotron_validation,
             nemotron_latency_ms=nemotron_latency_ms,
+            # 2026-04-05 Claude Code: 傳入 incident_id 以啟用 detail/reanalyze/history 按鈕
+            incident_id=incident.incident_id,
         )
 
         # 🔴 發送成功後設置去重 key (TTL 10 分鐘)

apps/api/src/services/telegram_gateway.py

@@ -271,25 +271,26 @@ class TelegramMessage:
         else:
             source_label = "⚙️ <b>規則匹配</b>"
 
+        # 2026-04-05 Claude Code: 重設計訊息格式，提升易讀性
         # 組裝訊息
         message = (
-            f"═══════════════════════════\n"
-            f"{self.status_emoji} <b>{html.escape(self.risk_level)}</b> | {html.escape(self.resource_name[:25])}\n"
-            f"═══════════════════════════\n"
-            f"📋 <code>{html.escape(incident_id)}</code>\n"
-            f"🎯 資源: <code>{safe_resource}</code>\n"
-            f"━━━━━━━━━━━━━━━━━━━\n"
-            f"{source_label}\n"
-            f"👥 責任: {resp_display}\n"
-            f"📊 信心: {conf_emoji} {confidence_pct}%\n"
-            f"{ai_cost_display}"
-            f"💡 原因: {safe_root_cause}\n"
-            f"{frequency_block}"
-            f"{signoz_block}"
-            f"━━━━━━━━━━━━━━━━━━━\n"
-            f"🔧 建議: {safe_action}\n"
+            f"{self.status_emoji} <b>{html.escape(self.risk_level)}</b>  <code>{html.escape(incident_id)}</code>\n"
+            f"<b>{safe_resource}</b>\n"
+            f"\n"
+            f"{source_label}  {conf_emoji} {confidence_pct}%\n"
+            f"👥 {resp_display}\n"
+            f"💡 {safe_root_cause}\n"
+        )
+        if ai_cost_display:
+            message += f"{ai_cost_display}"
+        if frequency_block:
+            message += f"\n{frequency_block}"
+        if signoz_block:
+            message += f"\n{signoz_block}"
+        message += (
+            f"\n🔧 <b>建議:</b> {safe_action}\n"
             f"⏱️ 停機: {safe_downtime}\n"
-            f"🔍 <a href='{signoz_url}'>查看 SignOz Trace (±5min)</a>"
+            f"🔍 <a href='{signoz_url}'>SignOz Trace</a>"
         )
 
         return message[:900]
@@ -397,21 +398,20 @@ class TelegramMessage:
             if self.nemotron_latency_ms > 0:
                 nemotron_block += f"└ 延遲: {self.nemotron_latency_ms:.0f}ms\n"
 
+        # 2026-04-05 Claude Code: 重設計訊息格式，提升易讀性
         # 組裝訊息
         message = (
-            f"═══════════════════════════\n"
-            f"{self.status_emoji} <b>{html.escape(self.risk_level)}</b> | {html.escape(self.resource_name[:25])}\n"
-            f"═══════════════════════════\n"
-            f"📋 <code>{html.escape(incident_id)}</code>\n"
-            f"🎯 資源: <code>{safe_resource}</code>\n"
-            f"━━━━━━━━━━━━━━━━━━━\n"
-            f"{source_label}\n"
-            f"├ 📊 信心: {conf_emoji} {confidence_pct}%\n"
-            f"├ 👥 責任: {resp_display}\n"
-            f"└ 💡 原因: {safe_root_cause}\n"
-            f"{nemotron_block}"
-            f"━━━━━━━━━━━━━━━━━━━\n"
-            f"🔧 建議: {safe_action}\n"
+            f"{self.status_emoji} <b>{html.escape(self.risk_level)}</b>  <code>{html.escape(incident_id)}</code>\n"
+            f"<b>{safe_resource}</b>\n"
+            f"\n"
+            f"{source_label}  {conf_emoji} {confidence_pct}%\n"
+            f"👥 {resp_display}\n"
+            f"💡 {safe_root_cause}\n"
+        )
+        if nemotron_block:
+            message += f"\n{nemotron_block}"
+        message += (
+            f"\n🔧 <b>建議:</b> {safe_action}\n"
             f"⏱️ 停機: {safe_downtime}"
         )
 
@@ -1281,6 +1281,8 @@ class TelegramGateway:
         nemotron_tools: list[dict] | None = None,
         nemotron_validation: str = "",
         nemotron_latency_ms: float = 0.0,
+        # 2026-04-05 Claude Code: incident_id 用於 detail/reanalyze/history 按鈕
+        incident_id: str = "",
     ) -> dict:
         """
         推送待簽核卡片到 Telegram (v7.0 含 SignOz 整合)
@@ -1330,6 +1332,7 @@ class TelegramGateway:
             suggested_action=suggested_action,
             estimated_downtime=estimated_downtime,
             approval_id=approval_id,
+            incident_id=incident_id,
             primary_responsibility=primary_responsibility,
             confidence=confidence,
             namespace=namespace,
@@ -1356,10 +1359,12 @@ class TelegramGateway:
         text = message.format_with_nemotron() if nemotron_enabled else message.format()
 
         # 建立按鈕 (含自動調優)
+        # 2026-04-05 Claude Code: 傳入 incident_id 以啟用 detail/reanalyze/history 按鈕
         keyboard = self._build_inline_keyboard(
             approval_id=approval_id,
             include_auto_tuning=bool(auto_tuning_command),
             auto_tuning_command=auto_tuning_command,
+            incident_id=incident_id or message.incident_id,
         )
 
         # 發送訊息