diff --git a/docs/work-tracking/contracts/OMN-10711.yaml b/docs/work-tracking/contracts/OMN-10711.yaml
new file mode 100644
index 0000000000..abac88e6fe
--- /dev/null
+++ b/docs/work-tracking/contracts/OMN-10711.yaml
@@ -0,0 +1,46 @@
+---
+schema_version: "1.0.0"
+ticket_id: OMN-10711
+title: "Declare storage/vector config in contract.yaml"
+summary: >
+  Adds env_dependencies sections to four nodes whose handlers read storage/vector
+  connection env vars without contract.yaml declaration: node_agent_coordinator_orchestrator
+  (VALKEY_HOST), node_baseline_capture (OMNIBASE_INFRA_DB_URL, POSTGRES_HOST/PORT,
+  VALKEY_HOST/PORT, QDRANT_HOST/PORT), node_navigation_history_reducer (QDRANT_HOST/PORT),
+  node_projection_llm_cost (POSTGRES_HOST/PORT). Also adds missing handler block to
+  node_navigation_history_reducer to fix node-drift-gate strict violation. Contract
+  declarations only — no Python code changed.
+is_seam_ticket: false
+interface_change: false
+interfaces_touched: []
+emergency_bypass:
+  enabled: false
+  justification: ""
+  follow_up_ticket_id: ""
+dod_evidence:
+  - id: "dod-unit-tests"
+    description: "Full omnimarket unit test suite passes (2271 tests)."
+    source: "manual"
+    checks:
+      - check_type: "command"
+        check_value: "uv run pytest tests/ -m unit -q"
+  - id: "dod-lint"
+    description: "Ruff lint and format clean."
+    source: "manual"
+    checks:
+      - check_type: "command"
+        check_value: "uv run ruff check src/ && uv run ruff format --check src/"
+  - id: "dod-pre-commit"
+    description: "All pre-commit hooks pass."
+    source: "manual"
+    checks:
+      - check_type: "command"
+        check_value: "OMNIBASE_INFRA_PATH=${OMNIBASE_INFRA_PATH:-../omnibase_infra} pre-commit run --all-files"
+  - id: "dod-deploy"
+    description: >
+      Contract-only change (no Python modified). No live deploy required. Deploy-agent
+      inactive per OMN-8841. Runtime validation deferred to next scheduled deploy cycle.
+    source: "manual"
+    checks:
+      - check_type: "command"
+        check_value: "docker exec ${RUNTIME_CONTAINER:-omninode-runtime} python -c 'import omnimarket; print(\"import ok\")'"
diff --git a/src/omnimarket/nodes/node_agent_coordinator_orchestrator/contract.yaml b/src/omnimarket/nodes/node_agent_coordinator_orchestrator/contract.yaml
index fc0b1cc0da..6892873688 100644
--- a/src/omnimarket/nodes/node_agent_coordinator_orchestrator/contract.yaml
+++ b/src/omnimarket/nodes/node_agent_coordinator_orchestrator/contract.yaml
@@ -139,5 +139,10 @@ failure_isolation_enabled: true
 monitoring_enabled: true
 metrics_collection_enabled: true
 
+env_dependencies:
+  VALKEY_HOST:
+    required: true
+    description: "Valkey host for the AdapterValkey caching layer (required at runtime)."
+
 metadata:
   transport_type: kafka
diff --git a/src/omnimarket/nodes/node_baseline_capture/contract.yaml b/src/omnimarket/nodes/node_baseline_capture/contract.yaml
index 84599202f4..43735c894d 100644
--- a/src/omnimarket/nodes/node_baseline_capture/contract.yaml
+++ b/src/omnimarket/nodes/node_baseline_capture/contract.yaml
@@ -72,6 +72,27 @@ env_dependencies:
   LLM_EMBEDDING_URL:
     required: false
     description: "Embedding model endpoint URL (probed during system_health check)"
+  OMNIBASE_INFRA_DB_URL:
+    required: false
+    description: "Postgres DSN for the db_row_counts probe. Probe is skipped when unset."
+  POSTGRES_HOST:
+    required: false
+    description: "Postgres host for the system_health probe connectivity check."
+  POSTGRES_PORT:
+    required: false
+    description: "Postgres port for the system_health probe (typically 5436 externally)."
+  VALKEY_HOST:
+    required: false
+    description: "Valkey host for the system_health probe connectivity check."
+  VALKEY_PORT:
+    required: false
+    description: "Valkey port for the system_health probe."
+  QDRANT_HOST:
+    required: false
+    description: "Qdrant host for the system_health probe connectivity check."
+  QDRANT_PORT:
+    required: false
+    description: "Qdrant port for the system_health probe."
 
 terminal_event: onex.evt.omnimarket.baseline-captured.v1
 
diff --git a/src/omnimarket/nodes/node_navigation_history_reducer/contract.yaml b/src/omnimarket/nodes/node_navigation_history_reducer/contract.yaml
index 5dea694718..e8376f1d4e 100644
--- a/src/omnimarket/nodes/node_navigation_history_reducer/contract.yaml
+++ b/src/omnimarket/nodes/node_navigation_history_reducer/contract.yaml
@@ -15,13 +15,23 @@ description: |
   Requires pg_dsn, qdrant, and embedding parameters at runtime.
 
 handler:
-  class: HandlerNavigationHistoryReducer
   module: omnimarket.nodes.node_navigation_history_reducer.handlers.handler_navigation_history_reducer
+  class: HandlerNavigationHistoryReducer
+
+handler_config:
+  handler_class: "HandlerNavigationHistoryReducer"
+  handler_module: "omnimarket.nodes.node_navigation_history_reducer.handlers.handler_navigation_history_reducer"
 
 env_dependencies:
   LLM_EMBEDDING_URL:
     required: false
     description: "Embedding model endpoint URL (OpenAI-compatible /v1/embeddings)"
+  QDRANT_HOST:
+    required: false
+    description: "Qdrant host for navigation history vector storage. Node is a no-op when unset."
+  QDRANT_PORT:
+    required: false
+    description: "Qdrant port (default 6333)."
 
 tags:
   - memory
diff --git a/src/omnimarket/nodes/node_projection_llm_cost/contract.yaml b/src/omnimarket/nodes/node_projection_llm_cost/contract.yaml
index bf9d4a4009..e1761e549c 100644
--- a/src/omnimarket/nodes/node_projection_llm_cost/contract.yaml
+++ b/src/omnimarket/nodes/node_projection_llm_cost/contract.yaml
@@ -12,6 +12,14 @@ handler:
   module: omnimarket.nodes.node_projection_llm_cost.handlers.handler_projection_llm_cost
   class: HandlerProjectionLlmCost
 
+env_dependencies:
+  POSTGRES_HOST:
+    required: false
+    description: "Postgres host for direct DB connection fallback in the consumer (OMNIBASE_INFRA_DB_URL preferred)."
+  POSTGRES_PORT:
+    required: false
+    description: "Postgres port for direct DB connection fallback (default 5436)."
+
 terminal_event: onex.evt.omnimarket.projection-llm-cost-applied.v1
 
 # Golden path: llm_cost chain (llm-call-completed -> llm_cost_aggregates table)