fix: remove vestigial state.json files from agent directories

Agent directories (witness/, refinery/, mayor/) contained state.json files
with last_active timestamps that were never updated, making them stale and
misleading. This change removes:

- initAgentStates function that created vestigial state.json files
- AgentState type and related Load/Save functions from config package
- MayorStateValidCheck from doctor checks
- requesting_* lifecycle verification (dead code - flags were never set)
- FileStateJSON constant and MayorStatePath function

Kept intact:
- daemon/state.json (actively used for daemon runtime state)
- crew/<name>/state.json (operational CrewWorker metadata)
- Agent state tracking via beads (the ZFC-compliant approach)

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

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

internal/cmd/doctor.go

@@ -30,7 +30,6 @@ Workspace checks:
   - rigs-registry-exists     Check mayor/rigs.json exists (fixable)
   - rigs-registry-valid      Check registered rigs exist (fixable)
   - mayor-exists             Check mayor/ directory structure
-  - mayor-state-valid        Check mayor/state.json is valid (fixable)
 
 Infrastructure checks:
   - daemon                   Check if daemon is running (fixable)

internal/cmd/install.go

@@ -171,17 +171,6 @@ func runInstall(cmd *cobra.Command, args []string) error {
 	}
 	fmt.Printf("   ✓ Created mayor/rigs.json\n")
 
-	// Create mayor state.json
-	mayorState := &config.AgentState{
-		Role:       "mayor",
-		LastActive: time.Now(),
-	}
-	statePath := filepath.Join(mayorDir, "state.json")
-	if err := config.SaveAgentState(statePath, mayorState); err != nil {
-		return fmt.Errorf("writing mayor state: %w", err)
-	}
-	fmt.Printf("   ✓ Created mayor/state.json\n")
-
 	// Create Mayor CLAUDE.md at HQ root (Mayor runs from there)
 	if err := createMayorCLAUDEmd(absPath, absPath); err != nil {
 		fmt.Printf("   %s Could not create CLAUDE.md: %v\n", style.Dim.Render("⚠"), err)

internal/cmd/install_integration_test.go

@@ -3,7 +3,6 @@
 package cmd
 
 import (
-	"encoding/json"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -61,22 +60,6 @@ func TestInstallCreatesCorrectStructure(t *testing.T) {
 		t.Errorf("rigs.json should be empty, got %d rigs", len(rigsConfig.Rigs))
 	}
 
-	// Verify mayor/state.json
-	statePath := filepath.Join(hqPath, "mayor", "state.json")
-	assertFileExists(t, statePath, "mayor/state.json")
-
-	stateData, err := os.ReadFile(statePath)
-	if err != nil {
-		t.Fatalf("failed to read state.json: %v", err)
-	}
-	var state map[string]interface{}
-	if err := json.Unmarshal(stateData, &state); err != nil {
-		t.Fatalf("failed to parse state.json: %v", err)
-	}
-	if state["role"] != "mayor" {
-		t.Errorf("state.json role = %q, want %q", state["role"], "mayor")
-	}
-
 	// Verify CLAUDE.md exists
 	claudePath := filepath.Join(hqPath, "CLAUDE.md")
 	assertFileExists(t, claudePath, "CLAUDE.md")

internal/cmd/rig_integration_test.go

@@ -542,17 +542,20 @@ func TestRigAddCreatesAgentDirs(t *testing.T) {
 
 	rigPath := filepath.Join(townRoot, "agenttest")
 
-	// Verify agent state files exist
-	expectedStateFiles := []string{
-		"witness/state.json",
-		"refinery/state.json",
-		"mayor/state.json",
+	// Verify agent directories exist (state.json files are no longer created)
+	expectedDirs := []string{
+		"witness",
+		"refinery",
+		"mayor",
 	}
 
-	for _, stateFile := range expectedStateFiles {
-		path := filepath.Join(rigPath, stateFile)
-		if _, err := os.Stat(path); err != nil {
-			t.Errorf("expected state file %s to exist: %v", stateFile, err)
+	for _, dir := range expectedDirs {
+		path := filepath.Join(rigPath, dir)
+		info, err := os.Stat(path)
+		if err != nil {
+			t.Errorf("expected directory %s to exist: %v", dir, err)
+		} else if !info.IsDir() {
+			t.Errorf("expected %s to be a directory", dir)
 		}
 	}
 }