Add .pulserrc.json config file support

[TheStack-ai]

Context

All configuration is via CLI flags only. There is no config file. Users running pulser in CI or across multiple repos have to repeat flags every time:

pulser --strict --all --format json

Proposed solution

Support a .pulserrc.json config file:

{
  "strict": true,
  "all": true,
  "format": "json",
  "path": ".claude/skills"
}

Lookup order:

1. .pulserrc.json in current directory
2. ~/.pulserrc.json as global fallback
3. CLI flags always override config file

What to do

1. Create src/config.ts with a loadConfig() function
2. Modify src/index.ts to merge config with CLI opts before calling run()
3. The CLIOptions type in src/types.ts already defines the shape — reuse it

Files to modify

• New: src/config.ts
• src/index.ts (merge logic)

Difficulty: Easy-Medium