refactor: improve formatting in service configurations - #399

Performed full review of 5812f55...954f6d0

Analysis

1. Inconsistent formatting still exists in code-syncer/default.nix which uses a different pattern for lib.makeBinPath than the newly standardized approach, creating potential confusion for developers.

2. There's no documented standard for when to use multi-line vs. single-line formatting for lib.makeBinPath expressions, leaving room for interpretation and inconsistent implementations in future code.

3. The PR introduces cosmetic changes without automated verification that they comply with the project's formatting tools (nixfmt and shfmt), risking potential formatting conflicts in future automated runs.

4. No updates were made to documentation to reflect these formatting standards, which could lead to gradual divergence as the codebase evolves.

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