feat: Add VEX compact fixture and implement offline verifier for Findings Ledger exports

- Introduced a new VEX compact fixture for testing purposes.
- Implemented `verify_export.py` script to validate Findings Ledger exports, ensuring deterministic ordering and applying redaction manifests.
- Added a lightweight stub `HarnessRunner` for unit tests to validate ledger hashing expectations.
- Documented tasks related to the Mirror Creator.
- Created models for entropy signals and implemented the `EntropyPenaltyCalculator` to compute penalties based on scanner outputs.
- Developed unit tests for `EntropyPenaltyCalculator` to ensure correct penalty calculations and handling of edge cases.
- Added tests for symbol ID normalization in the reachability scanner.
- Enhanced console status service with comprehensive unit tests for connection handling and error recovery.
- Included Cosign tool version 2.6.0 with checksums for various platforms.

docs/modules/concelier/schemas/schema.manifest.json

@@ -0,0 +1,22 @@
+{
+  "version": 1,
+  "generatedAt": "2025-12-02T00:00:00Z",
+  "files": [
+    {
+      "path": "advisory-observation.schema.json",
+      "sha256": "e3f40aea09794f72f2722c46657377518489e2ca7e3122cfbb65655c3296c083"
+    },
+    {
+      "path": "advisory-linkset.schema.json",
+      "sha256": "e3b40a0cca5aff85be2fbc5af9a96f00f5b7a20f6740a3f32947fae56bd599e5"
+    },
+    {
+      "path": "offline-advisory-bundle.schema.json",
+      "sha256": "9b64af7c2e5fa0c071af7dc04b7984fd1787b4f9e2082cb47174610097e2dc51"
+    },
+    {
+      "path": "samples/offline-advisory-bundle.sample.json",
+      "sha256": "15874bbafe5b2ead5ec9a853c32d715a4b48d41107ff2887d6ccdc222e462f45"
+    }
+  ]
+}