Technician tool v0.5

Imported from the Google Drive folder 004-technician_tool/v0.5.

kota_tech/diag/engine.py

@@ -25,6 +25,7 @@ from ..core.logline import LineKind, LogLine
 from .firmware import FirmwareInfo
 
 RULES_PATH = Path(__file__).with_name("rules.toml")
+_MAC_LINE = re.compile(r"Device MAC address: ([0-9A-Fa-f]{2}(?::[0-9A-Fa-f]{2}){5})")
 
 
 class Severity(IntEnum):
@@ -278,6 +279,7 @@ class DiagnosticsEngine:
         self._tool_reset_at: float | None = None
         self._panic_tail = 0     # RAW lines after a panic line to keep
         self.technician: list[str] = []
+        self.mac: str | None = None      # from "ID: Device MAC address: ..." at boot
 
     @property
     def boot(self) -> BootRecord:
@@ -317,6 +319,8 @@ class DiagnosticsEngine:
             self._crash_finding().evidence.append(text)
 
         self.firmware.observe(text)
+        if m := _MAC_LINE.search(text):
+            self.mac = m.group(1).upper()
         matched = False
         for rule in self.rules:
             m = rule.pattern.search(text)

kota_tech/diag/guides.toml

@@ -379,7 +379,7 @@ severity = "critical"
 title = "SD card is unreadable or has wrong settings"
 text = "Even after re-seating, the card or its ENV.TXT cannot be used."
 actions = [
-  "Re-provision the card with the tool (SD tab, coming in v0.5) or use a new card.",
+  "Re-provision the card with the tool (SD card tab) or use a new card.",
   "The Diagnosis tab shows which step failed (card, file system or ENV.TXT keys).",
 ]