Fix remaining worker startups for gt seance metadata

- startCrewMember: now uses BuildCrewStartupCommand (was GetRuntimeCommand)
- refinery/manager.go: now uses BuildAgentStartupCommand (was GetRuntimeCommand)

Both now properly inject BD_ACTOR and GT_ROLE so seance can identify
sessions correctly. This completes the seance metadata fix started in
the previous commit.

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

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

internal/cmd/start.go

@@ -947,8 +947,9 @@ func startCrewMember(rigName, crewName, townRoot string) error {
 		return fmt.Errorf("waiting for shell: %w", err)
 	}
 
-	// Start claude
-	if err := t.SendKeys(sessionID, config.GetRuntimeCommand(r.Path)); err != nil {
+	// Start claude with proper env vars for seance
+	claudeCmd := config.BuildCrewStartupCommand(rigName, crewName, r.Path, "")
+	if err := t.SendKeys(sessionID, claudeCmd); err != nil {
 		return fmt.Errorf("starting claude: %w", err)
 	}