fix(gastown): repair malformed patch files for nixos-rebuild

- Remove 'index 0000000..1111111' lines that made patches appear as new files
- Fix hunk line counts in several patches
- Add missing leading spaces to blank context lines
- Temporarily disable statusline optimization patch (needs regenerating)

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

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

home/roles/development/gastown-fix-agent-bead-rig-prefix.patch

@@ -1,10 +1,9 @@
 diff --git a/internal/mail/router.go b/internal/mail/router.go
-index 0000000..1111111 100644
 --- a/internal/mail/router.go
 +++ b/internal/mail/router.go
-@@ -330,8 +330,28 @@ func agentBeadToAddress(bead *agentBead) string {
+@@ -330,8 +330,29 @@ func agentBeadToAddress(bead *agentBead) string {
  	}
-
+ 
  	// Handle gt- prefixed IDs (legacy format)
 -	if !strings.HasPrefix(id, "gt-") {
 -		return "" // Not a valid agent bead ID
@@ -32,5 +31,5 @@ index 0000000..1111111 100644
 +	if !strings.HasPrefix(id, "gt-") {
 +		return "" // Not a valid agent bead ID
  	}
-
+ 
  	// Strip prefix