Add env var fallback for KiBot text variables

- rev/rev_pcb: Use KIBOT_VAR_rev if set, else git describe
- name: Use KIBOT_VAR_name if set, else extract from filename

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

.scripts/debug_panelize.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+"""Debug wrapper for kikit panelize to investigate panel.save() issue"""
+import sys
+import traceback
+import inspect
+
+print(f"Arguments: {sys.argv[1:]}", file=sys.stderr)
+
+# Parse arguments manually
+input_pcb = None
+output_pcb = None
+preset_file = None
+
+args = sys.argv[1:]
+i = 0
+while i < len(args):
+    if args[i] == '-p':
+        preset_file = args[i+1]
+        i += 2
+    elif input_pcb is None:
+        input_pcb = args[i]
+        i += 1
+    else:
+        output_pcb = args[i]
+        i += 1
+
+print(f"Input: {input_pcb}", file=sys.stderr)
+print(f"Output: {output_pcb}", file=sys.stderr)
+print(f"Preset: {preset_file}", file=sys.stderr)
+
+try:
+    from kikit.panelize import Panel
+
+    # Get the Panel.save method signature and source
+    print(f"\nPanel.save signature: {inspect.signature(Panel.save)}", file=sys.stderr)
+
+    # Look at the source around line 606
+    import kikit.panelize as panelize_module
+    source_file = inspect.getfile(panelize_module)
+    print(f"\nKiKit panelize.py location: {source_file}", file=sys.stderr)
+
+    # Read the source file - find the save method start
+    with open(source_file, 'r') as f:
+        lines = f.readlines()
+
+        # Find the save method definition
+        for i, line in enumerate(lines):
+            if 'def save(' in line:
+                print(f"\nSave method starts at line {i+1}", file=sys.stderr)
+                print(f"\nLines {i+1}-{min(i+80, len(lines))} of panelize.py:", file=sys.stderr)
+                for j, l in enumerate(lines[i:i+80], start=i+1):
+                    print(f"{j}: {l.rstrip()}", file=sys.stderr)
+                break
+
+except Exception as e:
+    print("FULL EXCEPTION TRACEBACK:", file=sys.stderr)
+    traceback.print_exc()
+    sys.exit(1)