Technician tool v0.1

Imported from the Google Drive folder 004-technician_tool/v0.1.

tests/test_redact.py

@@ -0,0 +1,33 @@
+from kota_tech.core.redact import MASK, redact
+
+INFLUX_TOKEN = "Zq3v9nX2kLmP0aBcD4eFgH7iJ8kLmN1oPqRsT5uVwXyZ0aB-cD_eFgHiJkLmNoPqRsTuVwXyZ0123456789abcd=="
+
+
+def test_ota_token_lines():
+    assert redact("I (1) OTA_CLIENT: OTA token loaded from NVS: abc123def") == (
+        f"I (1) OTA_CLIENT: OTA token loaded from NVS: {MASK}"
+    )
+    out = redact("I (2) OTA_CLIENT: Device registered successfully, received token: tok_9f8e7d")
+    assert "tok_9f8e7d" not in out and out.endswith(MASK)
+
+
+def test_env_and_header_secrets():
+    assert INFLUX_TOKEN not in redact(f"INFLUX_TOKEN={INFLUX_TOKEN}")
+    assert "hunter2" not in redact("PASSWORD=hunter2")
+    assert INFLUX_TOKEN not in redact(f"Authorization: Token {INFLUX_TOKEN}")
+
+
+def test_bare_long_blob():
+    assert redact(f"x {INFLUX_TOKEN} y") == f"x {MASK} y"
+
+
+def test_non_secrets_untouched():
+    for s in [
+        "I (13664) INFLUX_BUFFER: Read INFLUX_URL from .env file: "
+        "https://influx.kota-app.com/api/v2/write?bucket=sensorbox&org=kota",
+        "as7341_adc,device=14C19F57720C f1=3,f2=8 1789655366000000000",
+        "E (30917) OTA_CLIENT: Error ESP_ERR_HTTP_CONNECT at ./main/ota_client.cpp:223",
+        "I (24792) OTA_CLIENT: HTTP client handle: 0x3fcf1560",
+        "I (2300) wifi:mode : sta (a4:cb:8f:c9:47:3c)",
+    ]:
+        assert redact(s) == s