Integrate extraction lifecycle and resume validation

internal/app/run_control_test.go

@@ -32,7 +32,7 @@ func TestDecideStageActions(t *testing.T) {
 
 func TestDownstreamStageNames(t *testing.T) {
 	got := downstreamStageNames("polish")
-	want := []string{"normalize", "trim", "render", "analyze", "publish", "notify"}
+	want := []string{"normalize", "trim", "extract", "render", "analyze", "publish", "notify"}
 	if !reflect.DeepEqual(got, want) {
 		t.Fatalf("downstreamStageNames(polish) = %#v, want %#v", got, want)
 	}
@@ -52,13 +52,14 @@ func TestInvalidateDownstreamSucceededStages(t *testing.T) {
 	m.MarkStageSucceeded("polish", now, nil)
 	m.MarkStageSucceeded("normalize", now, nil)
 	m.MarkStageSucceeded("trim", now, nil)
+	m.MarkStageSucceeded("extract", now, nil)
 	m.MarkStageSucceeded("render", now, nil)
 	m.MarkStageFailed("analyze", now, "analysis failed")
 	m.MarkStageSucceeded("publish", now, nil)
 	m.MarkStageSucceeded("notify", now, nil)
 
 	got := invalidateDownstreamSucceededStages(m, "polish", now.Add(1*time.Second))
-	want := []string{"normalize", "trim", "render", "publish", "notify"}
+	want := []string{"normalize", "trim", "extract", "render", "publish", "notify"}
 	if !reflect.DeepEqual(got, want) {
 		t.Fatalf("invalidateDownstreamSucceededStages() = %#v, want %#v", got, want)
 	}
@@ -75,3 +76,30 @@ func TestInvalidateDownstreamSucceededStages(t *testing.T) {
 		t.Fatalf("prepare status = %q, want succeeded", m.Stages["prepare"].Status)
 	}
 }
+
+func TestExtractionPositionControlsForceInvalidation(t *testing.T) {
+	now := time.Now().UTC()
+	tests := []struct {
+		upstream string
+		want     []string
+	}{
+		{upstream: "trim", want: []string{"extract", "render", "analyze", "publish", "notify"}},
+		{upstream: "extract", want: []string{"render", "analyze", "publish", "notify"}},
+		{upstream: "render", want: []string{"analyze", "publish", "notify"}},
+	}
+	for _, test := range tests {
+		t.Run(test.upstream, func(t *testing.T) {
+			m := manifest.New("2026-05-03", now)
+			for _, name := range canonicalStageNames() {
+				m.MarkStageSucceeded(name, now, nil)
+			}
+			got := invalidateDownstreamSucceededStages(m, test.upstream, now.Add(time.Second))
+			if !reflect.DeepEqual(got, test.want) {
+				t.Fatalf("invalidated = %#v, want %#v", got, test.want)
+			}
+			if test.upstream == "render" && m.Stages["extract"].Status != manifest.StatusSucceeded {
+				t.Fatalf("forcing render changed extract: %#v", m.Stages["extract"])
+			}
+		})
+	}
+}