[vitali87]

Part 4 of the #1912 split (issue #1533). signature.py: SignatureChanger plans the change over the override hierarchy and every graph-known call site, stages it in an edit transaction, applies it, and enforces the contract when a re-ingest is available. change_signature() is the entry point.

Files changed

• codebase_rag/editing/signature.py

Diff stats

+479 additions, -0 deletions (479 LOC)

Dependencies

This PR depends on: pr-3

Dependency graph

Merge in this order:

pr-1: feat(signature): contract expectation, shared call-site helpers and constants for change_signature (#1533, 1/9)
└── pr-2: feat(signature): parameter specs, mapping sources and the change_signature contract check (#1533, 2/9)
    └── pr-3: feat(signature): read the header, bind call arguments, render the rewrite (#1533, 3/9)
        └── pr-4: feat(signature): the change_signature operation (#1533, 4/9)  <-- this PR
            └── pr-5: feat(signature): expose change_signature through the CLI and MCP, with docs (#1533, 5/9)
                └── pr-6: test(signature): acceptance, transaction and MCP tests for change_signature (#1533, 6/9)
                    └── pr-7: test(signature): mapping tests for change_signature (#1533, 7/9)
                        └── pr-8: test(signature): definition and renamed-parameter tests for change_signature (#1533, 8/9)
                            └── pr-9: test(signature): hierarchy, receiver and default guards for change_signature (#1533, 9/9)

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