fix(observability): 同步 .188 實際部署調整至 repo

與原始計畫的差異:

1. MinIO Bearer Token 認證
   - 原計畫: MINIO_PROMETHEUS_AUTH_TYPE=public (此版本不支援)
   - 實際: mc admin prometheus generate 產生 Bearer Token
   - 更新: prometheus-config-phase-o.yaml 加入 bearer_token

2. remote_write 廢棄 → OTEL Collector Prometheus scrape
   - 原計畫: Prometheus remote_write → SigNoz OTEL /api/v1/write
   - 實際: SigNoz OTEL Collector 不支援 Prometheus remote_write 格式 (404)
   - 改用: OTEL Collector prometheus receiver 直接 scrape node-exporter + kube-state-metrics
   - 新增: ops/signoz/otel-collector-config-phase-o.yaml (版本控管副本)

3. ADR-053 驗收清單更新為實際結果

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

ops/signoz/otel-collector-config-phase-o.yaml

@@ -0,0 +1,188 @@
+# =============================================================================
+# SigNoz OTEL Collector Config - Phase O-3 實際部署版本
+# =============================================================================
+# 建立者: Claude Code (首席架構師)
+# 日期: 2026-04-02 (台北時間)
+# 部署位置: 192.168.0.188:/home/ollama/signoz/deploy/docker/otel-collector-config.yaml
+#
+# Phase O-3 新增內容 (與原版差異):
+#   prometheus receiver 新增 scrape jobs:
+#     - node-from-signoz: node-exporter (172.28.0.1:9100, monitoring_monitoring bridge gateway)
+#     - kube-state-from-signoz: kube-state-metrics (192.168.0.121:30888)
+#
+# 注意: signoz-otel-collector 需加入 monitoring_monitoring Docker network:
+#   docker network connect monitoring_monitoring signoz-otel-collector
+#
+# 原方案 remote_write 已廢棄: SigNoz OTEL Collector 不支援 Prometheus remote_write 格式
+# 原始備份: /home/ollama/signoz/deploy/docker/otel-collector-config.yaml.bak.phase-o
+# =============================================================================
+
+connectors:
+  signozmeter:
+    dimensions:
+    - name: service.name
+    - name: deployment.environment
+    - name: host.name
+    metrics_flush_interval: 1h
+exporters:
+  clickhouselogsexporter:
+    dsn: tcp://clickhouse:9000/signoz_logs
+    timeout: 10s
+    use_new_schema: true
+  clickhousetraces:
+    datasource: tcp://clickhouse:9000/signoz_traces
+    low_cardinal_exception_grouping: ${env:LOW_CARDINAL_EXCEPTION_GROUPING}
+    use_new_schema: true
+  metadataexporter:
+    cache:
+      provider: in_memory
+    dsn: tcp://clickhouse:9000/signoz_metadata
+    enabled: true
+    timeout: 45s
+  signozclickhousemeter:
+    dsn: tcp://clickhouse:9000/signoz_meter
+    sending_queue:
+      enabled: false
+    timeout: 45s
+  signozclickhousemetrics:
+    dsn: tcp://clickhouse:9000/signoz_metrics
+extensions:
+  health_check:
+    endpoint: 0.0.0.0:13133
+  pprof:
+    endpoint: 0.0.0.0:1777
+processors:
+  batch:
+    send_batch_max_size: 11000
+    send_batch_size: 10000
+    timeout: 10s
+  batch/meter:
+    send_batch_max_size: 25000
+    send_batch_size: 20000
+    timeout: 1s
+  resourcedetection:
+    detectors:
+    - env
+    - system
+    timeout: 2s
+  signozspanmetrics/delta:
+    aggregation_temporality: AGGREGATION_TEMPORALITY_DELTA
+    dimensions:
+    - default: default
+      name: service.namespace
+    - default: default
+      name: deployment.environment
+    - name: signoz.collector.id
+    - name: service.version
+    - name: browser.platform
+    - name: browser.mobile
+    - name: k8s.cluster.name
+    - name: k8s.node.name
+    - name: k8s.namespace.name
+    - name: host.name
+    - name: host.type
+    - name: container.name
+    dimensions_cache_size: 100000
+    enable_exp_histogram: true
+    latency_histogram_buckets:
+    - 100us
+    - 1ms
+    - 2ms
+    - 6ms
+    - 10ms
+    - 50ms
+    - 100ms
+    - 250ms
+    - 500ms
+    - 1000ms
+    - 1400ms
+    - 2000ms
+    - 5s
+    - 10s
+    - 20s
+    - 40s
+    - 60s
+    metrics_exporter: signozclickhousemetrics
+    metrics_flush_interval: 60s
+receivers:
+  otlp:
+    protocols:
+      grpc:
+        endpoint: 0.0.0.0:4317
+      http:
+        endpoint: 0.0.0.0:4318
+  prometheus:
+    config:
+      global:
+        scrape_interval: 60s
+      scrape_configs:
+      - job_name: otel-collector
+        static_configs:
+        - labels:
+            job_name: otel-collector
+          targets:
+          - localhost:8888
+      - job_name: node-from-signoz
+        metrics_path: /metrics
+        scrape_interval: 60s
+        static_configs:
+        - targets:
+          - 172.28.0.1:9100
+      - job_name: kube-state-from-signoz
+        metrics_path: /metrics
+        scrape_interval: 60s
+        static_configs:
+        - targets:
+          - 192.168.0.121:30888
+service:
+  extensions:
+  - health_check
+  - pprof
+  pipelines:
+    logs:
+      exporters:
+      - clickhouselogsexporter
+      - metadataexporter
+      - signozmeter
+      processors:
+      - batch
+      receivers:
+      - otlp
+    metrics:
+      exporters:
+      - signozclickhousemetrics
+      - metadataexporter
+      - signozmeter
+      processors:
+      - batch
+      receivers:
+      - otlp
+    metrics/meter:
+      exporters:
+      - signozclickhousemeter
+      processors:
+      - batch/meter
+      receivers:
+      - signozmeter
+    metrics/prometheus:
+      exporters:
+      - signozclickhousemetrics
+      - metadataexporter
+      - signozmeter
+      processors:
+      - batch
+      receivers:
+      - prometheus
+    traces:
+      exporters:
+      - clickhousetraces
+      - metadataexporter
+      - signozmeter
+      processors:
+      - signozspanmetrics/delta
+      - batch
+      receivers:
+      - otlp
+  telemetry:
+    logs:
+      encoding: json