genfile 0.6.0

CLI for genfile_core template archive management - create, manage, and materialize code generation templates.
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# Feature: Parameter Value Management

### Scope

- **Purpose**: Provides commands to set, list, and clear runtime values for template parameters.
- **Responsibility**: Documents the three value management commands.
- **In Scope**: `.value.set`, `.value.list`, `.value.clear`.
- **Out of Scope**: Parameter definitions (→ 003), materialization (→ 006).

### Design

Values can be set for any defined parameter; setting an undefined parameter produces a validation error. Values persist in the archive's stored values map and are serialized with the archive. Clearing reverts all values to defaults (or unset for mandatory parameters). Values are validated against parameter definitions at set-time.

### Features

| File | Relationship |
|------|--------------|
| [`feature/003_parameter_definition_management.md`](003_parameter_definition_management.md) | Parameter metadata that runtime values are validated against |

### Sources

| File | Relationship |
|------|--------------|
| [`src/handlers/value.rs`](../../src/handlers/value.rs) | Handler implementations for value commands |

### Tests

| File | Relationship |
|------|--------------|
| [`tests/param_value_commands_test.rs`](../../tests/param_value_commands_test.rs) | Integration tests for value management commands |