fix: ensure rig beads init targets rig DB

Retry bd init without --no-agents when the flag is unsupported, and ensure agent bead creation uses the rig .beads directory to avoid prefix mismatches.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

internal/rig/manager.go

@@ -418,7 +418,19 @@ func (m *Manager) initBeads(rigPath, prefix string) error {
 	// Run bd init if available, with --no-agents to skip AGENTS.md creation
 	cmd := exec.Command("bd", "init", "--prefix", prefix, "--no-agents")
 	cmd.Dir = rigPath
-	if err := cmd.Run(); err != nil {
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		lower := strings.ToLower(string(output))
+		if strings.Contains(lower, "no-agents") &&
+			(strings.Contains(lower, "unknown flag") ||
+				strings.Contains(lower, "unknown option") ||
+				strings.Contains(lower, "flag provided but not defined")) {
+			retry := exec.Command("bd", "init", "--prefix", prefix)
+			retry.Dir = rigPath
+			if retryErr := retry.Run(); retryErr == nil {
+				return nil
+			}
+		}
 		// bd might not be installed or --no-agents not supported, create minimal structure
 		// Note: beads currently expects YAML format for config
 		configPath := filepath.Join(beadsDir, "config.yaml")
@@ -438,6 +450,18 @@ func (m *Manager) initBeads(rigPath, prefix string) error {
 func (m *Manager) initAgentBeads(rigPath, rigName, prefix string, isFirstRig bool) error {
 	// Run bd commands from mayor/rig which has the beads database
 	mayorRigPath := filepath.Join(rigPath, "mayor", "rig")
+	beadsDir := filepath.Join(rigPath, ".beads")
+	prevBeadsDir, hadBeadsDir := os.LookupEnv("BEADS_DIR")
+	if err := os.Setenv("BEADS_DIR", beadsDir); err != nil {
+		return fmt.Errorf("setting BEADS_DIR: %w", err)
+	}
+	defer func() {
+		if hadBeadsDir {
+			_ = os.Setenv("BEADS_DIR", prevBeadsDir)
+		} else {
+			_ = os.Unsetenv("BEADS_DIR")
+		}
+	}()
 	bd := beads.New(mayorRigPath)
 
 	// Define agents to create

internal/rig/manager_test.go

@@ -21,6 +21,16 @@ func setupTestTown(t *testing.T) (string, *config.RigsConfig) {
 	return root, rigsConfig
 }
 
+func writeFakeBD(t *testing.T, script string) string {
+	t.Helper()
+	binDir := t.TempDir()
+	scriptPath := filepath.Join(binDir, "bd")
+	if err := os.WriteFile(scriptPath, []byte(script), 0755); err != nil {
+		t.Fatalf("write fake bd: %v", err)
+	}
+	return binDir
+}
+
 func createTestRig(t *testing.T, root, name string) {
 	t.Helper()
 
@@ -251,3 +261,105 @@ func TestEnsureGitignoreEntry_AppendsToExisting(t *testing.T) {
 		t.Errorf("content = %q, want %q", string(content), expected)
 	}
 }
+
+func TestInitBeadsRetriesWithoutNoAgentsFlag(t *testing.T) {
+	rigPath := t.TempDir()
+	beadsDir := filepath.Join(rigPath, ".beads")
+
+	script := `#!/usr/bin/env bash
+set -e
+cmd="$1"
+shift
+if [[ "$cmd" == "init" ]]; then
+  for arg in "$@"; do
+    if [[ "$arg" == "--no-agents" ]]; then
+      echo "unknown flag: --no-agents" >&2
+      exit 1
+    fi
+  done
+  touch "$EXPECT_BEADS_DIR/created.db"
+  exit 0
+fi
+echo "unexpected command: $cmd" >&2
+exit 1
+`
+
+	binDir := writeFakeBD(t, script)
+	t.Setenv("PATH", binDir+string(os.PathListSeparator)+os.Getenv("PATH"))
+	t.Setenv("EXPECT_BEADS_DIR", beadsDir)
+
+	manager := &Manager{}
+	if err := manager.initBeads(rigPath, "gt"); err != nil {
+		t.Fatalf("initBeads: %v", err)
+	}
+
+	if _, err := os.Stat(filepath.Join(beadsDir, "created.db")); err != nil {
+		t.Fatalf("expected bd init to create db file: %v", err)
+	}
+}
+
+func TestInitAgentBeadsUsesRigBeadsDir(t *testing.T) {
+	rigPath := t.TempDir()
+	beadsDir := filepath.Join(rigPath, ".beads")
+	mayorRigPath := filepath.Join(rigPath, "mayor", "rig")
+
+	if err := os.MkdirAll(beadsDir, 0755); err != nil {
+		t.Fatalf("mkdir beads dir: %v", err)
+	}
+	if err := os.MkdirAll(mayorRigPath, 0755); err != nil {
+		t.Fatalf("mkdir mayor rig: %v", err)
+	}
+
+	script := `#!/usr/bin/env bash
+set -e
+if [[ "$1" == "--no-daemon" ]]; then
+  shift
+fi
+cmd="$1"
+shift
+case "$cmd" in
+  show)
+    if [[ "$BEADS_DIR" != "$EXPECT_BEADS_DIR" ]]; then
+      echo "BEADS_DIR mismatch" >&2
+      exit 1
+    fi
+    echo "[]"
+    ;;
+  create)
+    if [[ "$BEADS_DIR" != "$EXPECT_BEADS_DIR" ]]; then
+      echo "BEADS_DIR mismatch" >&2
+      exit 1
+    fi
+    id=""
+    title=""
+    for arg in "$@"; do
+      case "$arg" in
+        --id=*) id="${arg#--id=}" ;;
+        --title=*) title="${arg#--title=}" ;;
+      esac
+    done
+    printf '{"id":"%s","title":"%s","description":"","issue_type":"agent"}' "$id" "$title"
+    ;;
+  slot)
+    if [[ "$BEADS_DIR" != "$EXPECT_BEADS_DIR" ]]; then
+      echo "BEADS_DIR mismatch" >&2
+      exit 1
+    fi
+    ;;
+  *)
+    echo "unexpected command: $cmd" >&2
+    exit 1
+    ;;
+esac
+`
+
+	binDir := writeFakeBD(t, script)
+	t.Setenv("PATH", binDir+string(os.PathListSeparator)+os.Getenv("PATH"))
+	t.Setenv("EXPECT_BEADS_DIR", beadsDir)
+	t.Setenv("BEADS_DIR", "")
+
+	manager := &Manager{}
+	if err := manager.initAgentBeads(rigPath, "demo", "gt", false); err != nil {
+		t.Fatalf("initAgentBeads: %v", err)
+	}
+}