fix(parser): preserve JSONL provider symlink discovery

Command Code and iFlow legacy discovery followed symlinked project directories. The migrated providers should keep that behavior so users with linked project roots do not silently lose discovery or raw-session lookup after moving onto the provider facade.

Author: mariusvniekerk

internal/parser/commandcode_provider.go

@@ -113,6 +113,7 @@ func newCommandCodeSourceSet(roots []string) DirectoryJSONLSourceSet {
 		AgentCommandCode,
 		roots,
 		JSONLSourceSetOptions{
+			FollowSymlinkDirs: true,
 			IncludePath:       isCommandCodeSourcePath,
 			ProjectHint:       func(root, path string) string { return "" },
 			SessionIDFromPath: commandCodeSessionIDFromPath,

internal/parser/commandcode_provider_test.go

@@ -70,6 +70,35 @@ func TestCommandCodeProviderSourceMethods(t *testing.T) {
 	assert.Equal(t, sourcePath, changed[0].DisplayPath)
 }
 
+func TestCommandCodeProviderDiscoversSymlinkedProjectDirectory(t *testing.T) {
+	root := t.TempDir()
+	realProjectDir := filepath.Join(t.TempDir(), "real-project")
+	linkProjectDir := filepath.Join(root, "linked-project")
+	if err := os.Symlink(realProjectDir, linkProjectDir); err != nil {
+		t.Skipf("symlink not supported: %v", err)
+	}
+	sourcePath := filepath.Join(linkProjectDir, "sess_123.jsonl")
+	writeSourceFile(t, filepath.Join(realProjectDir, "sess_123.jsonl"), commandCodeProviderFixture())
+
+	provider, ok := NewProvider(AgentCommandCode, ProviderConfig{
+		Roots:   []string{root},
+		Machine: "devbox",
+	})
+	require.True(t, ok)
+
+	discovered, err := provider.Discover(context.Background())
+	require.NoError(t, err)
+	require.Len(t, discovered, 1)
+	assert.Equal(t, sourcePath, discovered[0].DisplayPath)
+
+	found, ok, err := provider.FindSource(context.Background(), FindSourceRequest{
+		RawSessionID: "sess_123",
+	})
+	require.NoError(t, err)
+	require.True(t, ok)
+	assert.Equal(t, sourcePath, found.DisplayPath)
+}
+
 func TestCommandCodeProviderParse(t *testing.T) {
 	root := t.TempDir()
 	sourcePath := filepath.Join(root, "project", "sess_123.jsonl")

internal/parser/iflow_provider.go

@@ -120,6 +120,7 @@ func newIflowSourceSet(roots []string) DirectoryJSONLSourceSet {
 		AgentIflow,
 		roots,
 		JSONLSourceSetOptions{
+			FollowSymlinkDirs: true,
 			IncludePath:       isIflowSourcePath,
 			SessionIDFromPath: iflowSessionIDFromPath,
 		},

internal/parser/iflow_provider_test.go

@@ -71,6 +71,41 @@ func TestIflowProviderSourceMethods(t *testing.T) {
 	assert.Equal(t, sourcePath, changed[0].DisplayPath)
 }
 
+func TestIflowProviderDiscoversSymlinkedProjectDirectory(t *testing.T) {
+	root := t.TempDir()
+	realProjectDir := filepath.Join(t.TempDir(), "real-project")
+	linkProjectDir := filepath.Join(root, "linked-project")
+	if err := os.Symlink(realProjectDir, linkProjectDir); err != nil {
+		t.Skipf("symlink not supported: %v", err)
+	}
+	rawID := "5de701fc-7454-4858-a249-95cac4fd3b51"
+	sourcePath := filepath.Join(linkProjectDir, "session-"+rawID+".jsonl")
+	copyFixtureFile(
+		t,
+		"testdata/iflow/session-"+rawID+".jsonl",
+		filepath.Join(realProjectDir, "session-"+rawID+".jsonl"),
+	)
+
+	provider, ok := NewProvider(AgentIflow, ProviderConfig{
+		Roots:   []string{root},
+		Machine: "devbox",
+	})
+	require.True(t, ok)
+
+	discovered, err := provider.Discover(context.Background())
+	require.NoError(t, err)
+	require.Len(t, discovered, 1)
+	assert.Equal(t, sourcePath, discovered[0].DisplayPath)
+	assert.Equal(t, "linked-project", discovered[0].ProjectHint)
+
+	found, ok, err := provider.FindSource(context.Background(), FindSourceRequest{
+		RawSessionID: rawID,
+	})
+	require.NoError(t, err)
+	require.True(t, ok)
+	assert.Equal(t, sourcePath, found.DisplayPath)
+}
+
 func TestIflowProviderParse(t *testing.T) {
 	root := t.TempDir()
 	project := "test-project"