fix(#295): update test count, correct AGENTS.md DAO return type

Co-authored-by: M57 <hy4ri@users.noreply.github.com>

TEST_READY.md

@@ -5,7 +5,7 @@ This document provides a summary of test readiness, including test suite executi
 ## Execution and Expected Outcome
 - **Test Runner Command**: `nix develop --command ./gradlew test`
 - **Expected Outcome**: All tests pass successfully.
-- **Total Test Count**: 123 tests
+- **Total Test Count**: 275 tests
 
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@@ -22,7 +22,7 @@ This document provides a summary of test readiness, including test suite executi
 | ChatViewModelTest.kt | 9 |
 | AuthManagerTest.kt | 8 |
 | EventParserTest.kt | 6 |
-| **Total** | **123** |
+| **Total** | **275** |
 
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