docs(changelog): consolidate v1.2.0 into v1.2.1 (v1.2.0 was never released)

Signed-off-by: jgstern-agent <josh-agent@iterabloom.com>

Author: jgstern-agent

CHANGELOG.md

@@ -9,9 +9,7 @@ This changelog tracks the **tool version** (package releases). The **schema vers
 
 ## [Unreleased]
 
-## [1.2.1] - 2026-01-28
-
-## [1.2.0] - 2026-01-28
+## [1.2.1] - 2026-01-29
 
 ### Summary
 
@@ -111,6 +109,9 @@ Major expansion: **37 new analyzers** across languages, templates, config format
 - **cargo_binary**: YAML pattern now matches `kind="binary"` (actual analyzer output).
 - **HTTP linker**: Falls back to direct `meta.route_path`/`meta.http_method` when concept metadata unavailable.
 
+#### Symbol resolution
+- **INV-007**: Go import path resolution now correctly disambiguates when multiple files define the same symbol (e.g., generated protobuf files). `ListNameResolver` tries progressively shorter path suffixes and falls back to deterministic ordering.
+
 ## [1.1.0] - 2026-01-24
 
 > Note: This version was tagged in the codebase but never published to PyPI. It marks a milestone with breaking changes relative to v1.0.0. Hopefully our next release will be hiccup-free and actually publish to PyPI.