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feat(ha-heartbeat-committed-propagation): add reconcile-free ha_observe_heartbeat_committed (task 2.1)

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Strict-monotonic updater for a standby's learned committed position: advance
last_known_committed_lsn only when strictly greater (zero/lower no-op), set the
config tag together (tag-before-lsn release ordering for reader safety). No
ha_rejoin_reconcile, no truncation, no other mutation (Req 2.1-2.3, 3.1, 3.3).
4 revert-detecting unit tests; controller suite 0 failures.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Rongsong Shen 2026-06-20 11:52:18 +00:00
parent 282a82ff7e
commit 8bfa861be2
6 changed files with 273 additions and 1 deletions
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2
src/controller/testsuite/controller_test.c
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@ -61,6 +61,7 @@ extern void test_convergence_verification(void);
extern void test_coldstart_lsn0(void);
extern void test_commit_durability(void);
extern void test_ctrlstatus(void);
extern void test_ha_heartbeat_committed(void);
void setUp(void) { return; }
@ -191,6 +192,7 @@ int main(int argc, char* argv[])
TEST(test_coldstart_lsn0);
TEST(test_commit_durability);
TEST(test_ctrlstatus);
TEST(test_ha_heartbeat_committed);
return UNITY_END();
}