test: add comprehensive tests for interceptors and types

- Add GeminiInterceptorTest with type tests and integration tests
- Add OllamaInterceptorTest with type tests and integration tests
- Add BedrockInterceptorTest with type tests and integration tests
- Add AdditionalTypesTest for PolicyInfo, HealthStatus, ConnectorResponse,
  TokenUsage, Mode, RequestType, RateLimitInfo, ConnectorInfo,
  ConnectorQuery, and AuditResult
- Update coverage threshold from 50% to 70%

Coverage increased from 54.9% to 81.9%.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: saurabhjain1592

pom.xml

@@ -72,8 +72,8 @@
         <maven-gpg-plugin.version>3.1.0</maven-gpg-plugin.version>
         <nexus-staging-plugin.version>1.6.13</nexus-staging-plugin.version>
 
-        <!-- Coverage Threshold (lowered temporarily due to new interceptors) -->
-        <jacoco.minimum.coverage>0.50</jacoco.minimum.coverage>
+        <!-- Coverage Threshold -->
+        <jacoco.minimum.coverage>0.70</jacoco.minimum.coverage>
     </properties>
 
     <dependencies>