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Strycher b28f3b36cb fix(#309): decode and encode path_len per firmware, not as a byte count ... The firmware path-len byte is packed and self-describing (src/Packet.h:79-84): high 2 bits = hash size - 1, low 6 bits = hash COUNT (hops), byte length = count * size. The app treated the low 6 bits as a byte count and ignored the width, on the strength of a comment asserting the high bits were "not reliably populated". Both halves of that comment were wrong. Receive: Contact.fromFrame read `count` bytes where firmware meant `count` hops, so at 2-byte width it kept HALF of every path and discarded the rest. DAYTON VA's 2-hop route became a 2-byte fragment, which is why every repeater login in Bandit's capture timed out. Send: buildUpdateContactPathFrame wrote the count raw, leaving mode bits 00. That tells the radio "1-byte hashes" while handing it 2-byte hash data, so it routed to nodes never on the route. This is the likelier cause of the observed "routes via c6 and 5c separately" behaviour. Also fixes a third unit inconsistency: setContactPath wrote customPath.length (bytes) into pathLength (hops) after every path set. Contact now carries pathHashWidth per path, so a stored path can never be re-sliced at a width it was not captured at. realHopCount() is removed rather than adjusted: it divided an already-correct hop count, halving it at 2-byte width, and every call site was compensating for a bug that no longer exists. Migration (Ben's call, option A): records written before this change have no pathHashWidth and hold truncated bytes that cannot be recovered by reinterpretation, so their path is dropped and the contact reverts to flood until the radio re-supplies it. Logged, not silent. Tests asserted the old semantics (expect(realHopCount(2, 2), 1)) and were rewritten against firmware truth rather than adjusted to keep passing. Added send-side encoding coverage, which did not exist. 456 tests pass. Refs #240, #279, #299 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>		2 days ago
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broker_apply_outcome_test.dart	feat(#89): verify broker enable/disable actually applied before confirming	4 weeks ago
broker_status_test.dart	feat(#93): render broker runtime-state + resolved-default placeholders	4 weeks ago
channel_share_uri_test.dart	feat(#163): share a channel as a scannable QR (reference-app format)	2 weeks ago
contact_pathlen_test.dart	fix(#309): decode and encode path_len per firmware, not as a byte count	2 days ago
model_changes_test.dart	fix(#224): decode contact path-len byte (mask high bits + divide by width)	1 week ago
observer_config_test.dart	test(#70): lock observer config model behavior (M1)	4 weeks ago
rx_time_test.dart	feat(#285): ingest RX time logging + persisted rxTime (arrival vs claimed)	3 days ago