diff --git a/src/vlm/commands/analyze.py b/src/vlm/commands/analyze.py
index 54a886a..3c0996f 100644
--- a/src/vlm/commands/analyze.py
+++ b/src/vlm/commands/analyze.py
@@ -97,6 +97,7 @@ def analyze_cmd(
             }
         )
     analysis_data = {
+        "vlm_schema_version": "1.0",
         "metadata": {
             "generated": generation_timestamp,
             "source_identities": str(input),
diff --git a/src/vlm/executor.py b/src/vlm/executor.py
index deeb592..9573d2e 100644
--- a/src/vlm/executor.py
+++ b/src/vlm/executor.py
@@ -365,6 +365,7 @@ class ExecutionEngine:
         """
         # Convert rollback log to JSON-serializable format
         log_data = {
+            "vlm_schema_version": "1.0",
             "log_id": rollback_log.log_id,
             "execution_plan_id": rollback_log.execution_plan_id,
             "executed_at": rollback_log.executed_at.isoformat(),
diff --git a/src/vlm/planner.py b/src/vlm/planner.py
index 04dfe08..d1da521 100644
--- a/src/vlm/planner.py
+++ b/src/vlm/planner.py
@@ -427,6 +427,7 @@ def save_plan(plan: ExecutionPlan, output_path: Path) -> None:
     """
     # Convert ExecutionPlan to dictionary
     plan_dict = {
+        "vlm_schema_version": "1.0",
         "plan_id": plan.plan_id,
         "created_at": plan.created_at.isoformat(),
         "operations": [
diff --git a/src/vlm/scanner.py b/src/vlm/scanner.py
index 985576b..8845c1f 100644
--- a/src/vlm/scanner.py
+++ b/src/vlm/scanner.py
@@ -516,6 +516,7 @@ def save_inventory_csv(files: list[VideoFile], output: Path, library_root: Path)
     
     with open(output, 'w', newline='', encoding='utf-8') as csvfile:
         # Write metadata as comments
+        csvfile.write("# vlm_schema_version: 1.0\n")
         csvfile.write(f"# Generated: {generation_timestamp}\n")
         csvfile.write(f"# Library Root: {library_root}\n")