feat: Implement console session management with tenant and profile handling

- Add ConsoleSessionStore for managing console session state including tenants, profile, and token information.
- Create OperatorContextService to manage operator context for orchestrator actions.
- Implement OperatorMetadataInterceptor to enrich HTTP requests with operator context metadata.
- Develop ConsoleProfileComponent to display user profile and session details, including tenant information and access tokens.
- Add corresponding HTML and SCSS for ConsoleProfileComponent to enhance UI presentation.
- Write unit tests for ConsoleProfileComponent to ensure correct rendering and functionality.

docs/ops/authority-monitoring.md

@@ -7,6 +7,8 @@
   - `process.runtime.gc.*`, `process.runtime.dotnet.*` (from `AddRuntimeInstrumentation`).
 - **Logs:** Serilog writes structured events to stdout. Notable templates:
   - `"Password grant verification failed ..."` and `"Plugin {PluginName} denied access ... due to lockout"` (lockout spike detector).
+  - `"Password grant validation failed for {Username}: provider '{Provider}' does not support MFA required for exception approvals."` (identifies users attempting `exceptions:approve` without MFA support; tie to fresh-auth errors).
+  - `"Client credentials validation failed for {ClientId}: exception scopes require tenant assignment."` (signals misconfigured exception service identities).
   - `"Granting StellaOps bypass for remote {RemoteIp}"` (bypass usage).
   - `"Rate limit exceeded for path {Path} from {RemoteIp}"` (limiter alerts).