Release v0.0.30

[AntoineToussaint]

Objective

Release Python agent v0.0.30 from current main with Core v0.2.81.

Included

• Correct callable-scoped semantic declaration identities
• Exclude function-local data declarations from durable semantic projection
• Publish analyzer provenance v2 through the existing Tooling contract

Definition of done

• Core dependency is v0.2.81
• Agent metadata is 0.0.30
• Full CI passes
• Annotated v0.0.30 tag is pushed from the exact merged main commit
• GitHub release workflow succeeds