feat: kb_writer 마이크로서비스 + mail_bridge 추가

- kb_writer.py: DEVONthink AppleScript 브릿지 → 마크다운 파일 기반 전환 (포트 8095)
- knowledge-base/ 디렉토리 구조 (note, chat-memory, news)
- Handle Note: kb_writer 파일 저장 + Qdrant 임베딩 추가
- Embed & Save Memory: DEVONthink → kb_writer 교체
- mail_bridge.py: IMAP 날짜 기반 메일 조회 (포트 8094)
- mail-processing-pipeline: IMAP Trigger → Schedule + mail_bridge + dedup
- docker-compose, manage_services, LaunchAgent plist 업데이트

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

n8n/workflows/mail-processing-pipeline.json

@@ -4,25 +4,19 @@
   "nodes": [
     {
       "parameters": {
-        "mailbox": "INBOX",
-        "postProcessAction": "read",
-        "options": {
-          "customEmailConfig": "{ \"host\": \"{{$env.IMAP_HOST || '192.168.1.227'}}\", \"port\": {{$env.IMAP_PORT || 993}}, \"secure\": true, \"auth\": { \"user\": \"{{$env.IMAP_USER}}\", \"pass\": \"{{$env.IMAP_PASSWORD}}\" } }"
-        },
-        "pollTimes": {
-          "item": [
+        "rule": {
+          "interval": [
             {
-              "mode": "everyX",
-              "value": 15,
-              "unit": "minutes"
+              "field": "minutes",
+              "minutesInterval": 15
             }
           ]
         }
       },
-      "id": "m1000001-0000-0000-0000-000000000001",
-      "name": "IMAP Trigger",
-      "type": "n8n-nodes-base.imapEmail",
-      "typeVersion": 2,
+      "id": "m1000001-0000-0000-0000-000000000010",
+      "name": "Schedule Trigger",
+      "type": "n8n-nodes-base.scheduleTrigger",
+      "typeVersion": 1.2,
       "position": [
         0,
         300
@@ -30,14 +24,52 @@
     },
     {
       "parameters": {
-        "jsCode": "const items = $input.all();\nconst results = [];\nfor (const item of items) {\n  const j = item.json;\n  const from = j.from?.text || j.from || '';\n  const subject = (j.subject || '').substring(0, 500);\n  const body = (j.text || j.textPlain || j.html || '').substring(0, 5000)\n    .replace(/<[^>]*>/g, '').replace(/\\s+/g, ' ').trim();\n  const mailDate = j.date || new Date().toISOString();\n  results.push({ json: { from, subject, body, mailDate, messageId: j.messageId || '' } });\n}\nreturn results;"
+        "method": "GET",
+        "url": "={{ $env.MAIL_BRIDGE_URL }}/recent?days=1",
+        "options": {
+          "timeout": 15000
+        }
+      },
+      "id": "m1000001-0000-0000-0000-000000000011",
+      "name": "Fetch Mails",
+      "type": "n8n-nodes-base.httpRequest",
+      "typeVersion": 4.2,
+      "position": [
+        220,
+        300
+      ]
+    },
+    {
+      "parameters": {
+        "operation": "executeQuery",
+        "query": "SELECT message_id FROM mail_logs WHERE mail_date >= NOW() - INTERVAL '2 days'",
+        "options": {}
+      },
+      "id": "m1000001-0000-0000-0000-000000000012",
+      "name": "Get Existing IDs",
+      "type": "n8n-nodes-base.postgres",
+      "typeVersion": 2.5,
+      "position": [
+        440,
+        300
+      ],
+      "credentials": {
+        "postgres": {
+          "id": "KaxU8iKtraFfsrTF",
+          "name": "bot-postgres"
+        }
+      }
+    },
+    {
+      "parameters": {
+        "jsCode": "const mailsResponse = $('Fetch Mails').first().json;\nconst mails = mailsResponse.mails || [];\nconst existingRows = $input.all();\nconst existingIds = new Set(existingRows.map(r => r.json.message_id).filter(Boolean));\n\nconst results = [];\nfor (const mail of mails) {\n  const mid = mail.messageId || '';\n  if (!mid || existingIds.has(mid)) continue;\n  results.push({ json: {\n    from: mail.from || '',\n    subject: (mail.subject || '').substring(0, 500),\n    body: (mail.text || '').substring(0, 5000).replace(/<[^>]*>/g, '').replace(/\\s+/g, ' ').trim(),\n    mailDate: mail.date || new Date().toISOString(),\n    messageId: mid\n  }});\n}\nreturn results;"
       },
       "id": "m1000001-0000-0000-0000-000000000002",
-      "name": "Parse Mail",
+      "name": "Parse & Filter New",
       "type": "n8n-nodes-base.code",
       "typeVersion": 1,
       "position": [
-        220,
+        660,
         300
       ]
     },
@@ -50,14 +82,14 @@
       "type": "n8n-nodes-base.code",
       "typeVersion": 1,
       "position": [
-        440,
+        880,
         300
       ]
     },
     {
       "parameters": {
         "operation": "executeQuery",
-        "query": "=INSERT INTO mail_logs (from_address,subject,summary,label,has_events,has_tasks,mail_date) VALUES ('{{ ($json.from||'').replace(/'/g,\"''\").substring(0,255) }}','{{ ($json.subject||'').replace(/'/g,\"''\").substring(0,500) }}','{{ ($json.summary||'').replace(/'/g,\"''\").substring(0,2000) }}','{{ $json.label }}',{{ $json.has_events }},{{ $json.has_tasks }},'{{ $json.mailDate }}')",
+        "query": "=INSERT INTO mail_logs (from_address,subject,summary,label,has_events,has_tasks,mail_date,message_id) VALUES ('{{ ($json.from||'').replace(/'/g,\"''\").substring(0,255) }}','{{ ($json.subject||'').replace(/'/g,\"''\").substring(0,500) }}','{{ ($json.summary||'').replace(/'/g,\"''\").substring(0,2000) }}','{{ $json.label }}',{{ $json.has_events }},{{ $json.has_tasks }},'{{ $json.mailDate }}','{{ ($json.messageId||'').replace(/'/g,\"''\").substring(0,500) }}') ON CONFLICT (message_id) DO NOTHING",
         "options": {}
       },
       "id": "m1000001-0000-0000-0000-000000000004",
@@ -65,7 +97,7 @@
       "type": "n8n-nodes-base.postgres",
       "typeVersion": 2.5,
       "position": [
-        660,
+        1100,
         300
       ],
       "credentials": {
@@ -84,7 +116,7 @@
       "type": "n8n-nodes-base.code",
       "typeVersion": 1,
       "position": [
-        880,
+        1320,
         300
       ]
     },
@@ -125,7 +157,7 @@
       "type": "n8n-nodes-base.if",
       "typeVersion": 2.2,
       "position": [
-        1100,
+        1540,
         300
       ]
     },
@@ -145,24 +177,46 @@
       "type": "n8n-nodes-base.httpRequest",
       "typeVersion": 4.2,
       "position": [
-        1320,
+        1760,
         200
       ]
     }
   ],
   "connections": {
-    "IMAP Trigger": {
+    "Schedule Trigger": {
       "main": [
         [
           {
-            "node": "Parse Mail",
+            "node": "Fetch Mails",
             "type": "main",
             "index": 0
           }
         ]
       ]
     },
-    "Parse Mail": {
+    "Fetch Mails": {
+      "main": [
+        [
+          {
+            "node": "Get Existing IDs",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Get Existing IDs": {
+      "main": [
+        [
+          {
+            "node": "Parse & Filter New",
+            "type": "main",
+            "index": 0
+          }
+        ]
+      ]
+    },
+    "Parse & Filter New": {
       "main": [
         [
           {
@@ -222,4 +276,4 @@
   "settings": {
     "executionOrder": "v1"
   }
-}
+}