chore: archive fix-coverletter-template-path change

Archived completed OpenSpec change after successful deployment.
The template path fix has been applied to specs and is now in production.

Change archived as: 2026-01-12-fix-coverletter-template-path

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

openspec/changes/archive/2026-01-12-fix-coverletter-template-path/proposal.md

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+# Change: Fix Cover Letter Template Path Resolution
+
+## Why
+
+The `/convert-cover-letter` command uses a placeholder syntax `[path-to-swiss-letter.tex]` instead of an explicit path, causing Claude Code to inconsistently locate the Swiss letter template. This results in cover letters sometimes using Pandoc's default template instead of the required Swiss business letter standards (scrlttr2 with Swiss Norm).
+
+The user reported: "Often claude does not take the template swiss-letter.tex" - this is because the placeholder syntax is ambiguous and Claude Code cannot reliably resolve it.
+
+## What Changes
+
+- Fix template path in `/convert-cover-letter` command from placeholder to explicit path
+- Update specification to require explicit path resolution
+- Add documentation clarifying path must be relative to framework root
+
+This is a **single-line bug fix** with specification clarification - no architectural changes, no new features.
+
+## Impact
+
+**Affected specs**:
+- `cover-letter-pdf-conversion` (MODIFIED - Template Management requirement)
+
+**Affected code**:
+- `src/.claude/commands/convert-cover-letter.md:250` (PRIMARY FIX - change placeholder to explicit path)
+- Add clarification about path resolution after line 255
+
+**Benefits**:
+- Consistent template usage in all scenarios
+- Reliable Swiss Norm formatting (address window positioning)
+- No more fallback to incorrect Pandoc defaults
+
+**Risks**:
+- **LOW** - Single-line change, easy to test and verify
+- No breaking changes - existing functionality preserved