852e8721d0
Introduce a typed command model and hand-rolled parser for the debug
console DSL. The parser turns REPL input into HelpCommand or
RunCommand objects, keeping parsing separate from execution.
Ruby-like DSL syntax:
help → general help
help("run") → command-specific help
run("echo hello") → run with default shell
run("echo $X", shell: "bash", env: { X: "1" })
→ run with explicit shell and env
Parser features:
- Handles escaped quotes, nested braces, and mixed arguments
- Keyword arguments: shell, env, working_directory
- Env blocks parsed as { KEY: "value", KEY2: "value2" }
- Returns null for non-DSL input (falls through to expression eval)
- Descriptive error messages for malformed input
- Help text scaffolding for discoverability
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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