feat(controlplane): add last_run_at timestamp to project versions

CLAUDE.md

@@ -254,4 +254,5 @@ All commits must meet these criteria:
 Code reviews are required for all submissions via GitHub pull requests.
 - make sure golang code is always formatted and golang-ci-lint is run
 - I do not want you to be in the co-author signoff
-- when the schema is changed, run make generate, do not create a migration explicitly
+- when the schema is changed, run make generate, do not create a migration explicitly
+- do not add generated by claude code in PR

app/controlplane/pkg/biz/projectversion.go

@@ -38,7 +38,9 @@ type ProjectVersion struct {
 	CreatedAt *time.Time
 	// ReleasedAt is the time when the version was released.
 	ReleasedAt *time.Time
-	ProjectID  uuid.UUID
+	// LastRunAt is the time when the last workflow run occurred for this version.
+	LastRunAt *time.Time
+	ProjectID uuid.UUID
 }
 
 type ProjectVersionRepo interface {

app/controlplane/pkg/data/ent/migrate/migrations/20251001215533.sql

@@ -0,0 +1,2 @@
+-- Modify "project_versions" table
+ALTER TABLE "project_versions" ADD COLUMN "last_run_at" timestamptz NULL;

app/controlplane/pkg/data/ent/migrate/migrations/20251001215625.sql

@@ -0,0 +1,70 @@
+-- Backfill last_run_at field from existing workflow runs
+-- This migration populates the last_run_at timestamp for project versions
+-- based on the most recent workflow run for each version
+
+DO $$
+DECLARE
+    batch_size INTEGER := 50;
+    total_remaining INTEGER := 0;
+BEGIN
+    -- Get initial count of project versions that need updating
+    -- (those with workflow runs but no last_run_at timestamp)
+    SELECT COUNT(DISTINCT pv.id)
+    INTO total_remaining
+    FROM project_versions pv
+    WHERE pv.last_run_at IS NULL
+    AND pv.deleted_at IS NULL
+    AND EXISTS (
+        SELECT 1 FROM workflow_runs wr
+        WHERE wr.version_id = pv.id
+    );
+
+    -- Log the initial count
+    RAISE NOTICE 'Starting backfill of last_run_at for % project versions', total_remaining;
+
+    -- Loop until no more rows remain
+    WHILE total_remaining > 0 LOOP
+        -- Update a batch of project versions with their latest workflow run timestamp
+        WITH versions_to_update AS (
+            SELECT pv.id
+            FROM project_versions pv
+            WHERE pv.last_run_at IS NULL
+            AND pv.deleted_at IS NULL
+            AND EXISTS (
+                SELECT 1 FROM workflow_runs wr
+                WHERE wr.version_id = pv.id
+            )
+            LIMIT batch_size
+        ),
+        latest_runs AS (
+            SELECT
+                wr.version_id,
+                MAX(COALESCE(wr.finished_at, wr.created_at)) as latest_timestamp
+            FROM workflow_runs wr
+            INNER JOIN versions_to_update vtu ON wr.version_id = vtu.id
+            GROUP BY wr.version_id
+        )
+        UPDATE project_versions pv
+        SET last_run_at = lr.latest_timestamp
+        FROM latest_runs lr
+        WHERE pv.id = lr.version_id;
+
+        -- Update the remaining count
+        SELECT COUNT(DISTINCT pv.id)
+        INTO total_remaining
+        FROM project_versions pv
+        WHERE pv.last_run_at IS NULL
+        AND pv.deleted_at IS NULL
+        AND EXISTS (
+            SELECT 1 FROM workflow_runs wr
+            WHERE wr.version_id = pv.id
+        );
+
+        -- Log progress
+        IF total_remaining > 0 THEN
+            RAISE NOTICE 'Remaining project versions to backfill: %', total_remaining;
+        END IF;
+    END LOOP;
+
+    RAISE NOTICE 'Backfill of last_run_at completed successfully';
+END $$;

app/controlplane/pkg/data/ent/migrate/migrations/atlas.sum

@@ -1,4 +1,4 @@
-h1:zMUQdCsdxlu5WHgd4G0cKNp4VzU0ViSDSSMojr38oXQ=
+h1:SbJMyd1Na23ALCFwTq0rcVW1zSPsD4bVBvBuO1xOfuA=
 20230706165452_init-schema.sql h1:VvqbNFEQnCvUVyj2iDYVQQxDM0+sSXqocpt/5H64k8M=
 20230710111950-cas-backend.sql h1:A8iBuSzZIEbdsv9ipBtscZQuaBp3V5/VMw7eZH6GX+g=
 20230712094107-cas-backends-workflow-runs.sql h1:a5rzxpVGyd56nLRSsKrmCFc9sebg65RWzLghKHh5xvI=
@@ -113,3 +113,5 @@ h1:zMUQdCsdxlu5WHgd4G0cKNp4VzU0ViSDSSMojr38oXQ=
 20250827093032.sql h1:K+XDWewSLoGBM+zjkBMag3mMQFFQyoQ9SePzfRxC694=
 20250902095134.sql h1:e1DP8uYf/CX7RCiCF+E2/TKXiFUR6EUQBPy0wh5Xxl0=
 20250908160222.sql h1:bNjptbt2xPpSXqa4eVuWkMnovHt9LMkiakoGrFGZJ0g=
+20251001215533.sql h1:+IdTm9OSW1r5nDH1fX2hpia/q0UzklPrDy3SDN3S0dg=
+20251001215625.sql h1:adcp5r8CoL/JCfNgNZxBvY5pczlEHFH/IX64g/ji/4s=

app/controlplane/pkg/data/ent/migrate/schema.go

@@ -489,6 +489,7 @@ var (
 		{Name: "prerelease", Type: field.TypeBool, Default: true},
 		{Name: "workflow_run_count", Type: field.TypeInt, Default: 0},
 		{Name: "released_at", Type: field.TypeTime, Nullable: true},
+		{Name: "last_run_at", Type: field.TypeTime, Nullable: true},
 		{Name: "latest", Type: field.TypeBool, Default: false},
 		{Name: "project_id", Type: field.TypeUUID},
 	}
@@ -500,7 +501,7 @@ var (
 		ForeignKeys: []*schema.ForeignKey{
 			{
 				Symbol:     "project_versions_projects_versions",
-				Columns:    []*schema.Column{ProjectVersionsColumns[9]},
+				Columns:    []*schema.Column{ProjectVersionsColumns[10]},
 				RefColumns: []*schema.Column{ProjectsColumns[0]},
 				OnDelete:   schema.Cascade,
 			},
@@ -509,7 +510,7 @@ var (
 			{
 				Name:    "projectversion_version_project_id",
 				Unique:  true,
-				Columns: []*schema.Column{ProjectVersionsColumns[1], ProjectVersionsColumns[9]},
+				Columns: []*schema.Column{ProjectVersionsColumns[1], ProjectVersionsColumns[10]},
 				Annotation: &entsql.IndexAnnotation{
 					Where: "deleted_at IS NULL",
 				},