feat: pin runtime identity to the exact llama.cpp patch stack (DGR-025)

Derive the recipe's runtime_version axis from the DGR-027 lock manifest
(exact upstream commit + ordered patch-stack byte digest) in new
meshnet_node.runtime_pin, failing closed on any lock/series/SHA256SUMS/
patch disagreement, and enforce pin discipline on runtime_version in both
the node and tracker identity implementations.

Also repair pre-existing backlog consistency: add missing DGR-022/DGR-027
completionNotes, regenerate the DGR-022/025/027 issue projections, and
relocate three pre-DGR legacy GLM issue files to issues/legacy/. Mark
DGR-025 passes=true with evidence at evidence/DGR-025/README.md.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

packages/tracker/meshnet_tracker/recipe.py

@@ -333,6 +333,7 @@ def parse_identity(data: Any) -> PresentedIdentity:
         else:
             axes[axis] = _text(value, f"recipe.{axis}")
     _pin(axes["tokenizer_revision"], "recipe.tokenizer_revision")
+    _pin(axes["runtime_version"], "recipe.runtime_version")
 
     identity = PresentedIdentity(
         artifact_id=_text(artifact.get("artifact_id"), "artifact.artifact_id"),