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Tabish Bidiwale 971f8ca4a3 feat(cli): add openspec config command for global configuration management (#382)
* feat(cli): add openspec config command for global configuration management

Implements the `openspec config` command with subcommands:
- `path`: Show config file location
- `list [--json]`: Show all current settings
- `get <key>`: Get a specific value (raw output for scripting)
- `set <key> <value> [--string]`: Set a value with auto type coercion
- `unset <key>`: Remove a key (revert to default)
- `reset --all [-y]`: Reset configuration to defaults
- `edit`: Open config in $EDITOR/$VISUAL

Key features:
- Dot notation for nested key access (e.g., featureFlags.someFlag)
- Auto type coercion (true/false → boolean, numbers → number)
- --string flag to force string storage
- Zod schema validation with unknown field passthrough
- Reserved --scope flag for future project-local config
- Windows-compatible editor spawning with proper path quoting
- Shell completion registry integration

* test(config): add additional unit tests for validation and coercion

- Add tests for unknown fields with various types
- Add test to verify error message path for featureFlags
- Add test for number values rejection in featureFlags
- Add config set simulation tests to verify full coerce → set → validate flow

* fix(config): avoid shell parsing in config edit to handle paths with spaces

Use spawn with shell: false and pass configPath as an argument instead
of building a shell command string. This correctly handles spaces in
both the EDITOR path and config file path on all platforms.

* chore(openspec): archive add-config-command and create cli-config spec

Move completed change to archive and apply spec deltas to create
the cli-config specification documenting the config command interface.

* Validate config keys on set
2025-12-22 18:29:25 +11:00

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7.0 KiB
Markdown

# cli-config Specification
## Purpose
Provide a user-friendly CLI interface for viewing and modifying global OpenSpec configuration settings without manually editing JSON files.
## Requirements
### Requirement: Command Structure
The config command SHALL provide subcommands for all configuration operations.
#### Scenario: Available subcommands
- **WHEN** user executes `openspec config --help`
- **THEN** display available subcommands:
- `path` - Show config file location
- `list` - Show all current settings
- `get <key>` - Get a specific value
- `set <key> <value>` - Set a value
- `unset <key>` - Remove a key (revert to default)
- `reset` - Reset configuration to defaults
- `edit` - Open config in editor
### Requirement: Config Path
The config command SHALL display the config file location.
#### Scenario: Show config path
- **WHEN** user executes `openspec config path`
- **THEN** print the absolute path to the config file
- **AND** exit with code 0
### Requirement: Config List
The config command SHALL display all current configuration values.
#### Scenario: List config in human-readable format
- **WHEN** user executes `openspec config list`
- **THEN** display all config values in YAML-like format
- **AND** show nested objects with indentation
#### Scenario: List config as JSON
- **WHEN** user executes `openspec config list --json`
- **THEN** output the complete config as valid JSON
- **AND** output only JSON (no additional text)
### Requirement: Config Get
The config command SHALL retrieve specific configuration values.
#### Scenario: Get top-level key
- **WHEN** user executes `openspec config get <key>` with a valid top-level key
- **THEN** print the raw value only (no labels or formatting)
- **AND** exit with code 0
#### Scenario: Get nested key with dot notation
- **WHEN** user executes `openspec config get featureFlags.someFlag`
- **THEN** traverse the nested structure using dot notation
- **AND** print the value at that path
#### Scenario: Get non-existent key
- **WHEN** user executes `openspec config get <key>` with a key that does not exist
- **THEN** print nothing (empty output)
- **AND** exit with code 1
#### Scenario: Get object value
- **WHEN** user executes `openspec config get <key>` where the value is an object
- **THEN** print the object as JSON
### Requirement: Config Set
The config command SHALL set configuration values with automatic type coercion.
#### Scenario: Set string value
- **WHEN** user executes `openspec config set <key> <value>`
- **AND** value does not match boolean or number patterns
- **THEN** store value as a string
- **AND** display confirmation message
#### Scenario: Set boolean value
- **WHEN** user executes `openspec config set <key> true` or `openspec config set <key> false`
- **THEN** store value as boolean (not string)
- **AND** display confirmation message
#### Scenario: Set numeric value
- **WHEN** user executes `openspec config set <key> <value>`
- **AND** value is a valid number (integer or float)
- **THEN** store value as number (not string)
#### Scenario: Force string with --string flag
- **WHEN** user executes `openspec config set <key> <value> --string`
- **THEN** store value as string regardless of content
- **AND** this allows storing literal "true" or "123" as strings
#### Scenario: Set nested key
- **WHEN** user executes `openspec config set featureFlags.newFlag true`
- **THEN** create intermediate objects if they don't exist
- **AND** set the value at the nested path
### Requirement: Config Unset
The config command SHALL remove configuration overrides.
#### Scenario: Unset existing key
- **WHEN** user executes `openspec config unset <key>`
- **AND** the key exists in the config
- **THEN** remove the key from the config file
- **AND** the value reverts to its default
- **AND** display confirmation message
#### Scenario: Unset non-existent key
- **WHEN** user executes `openspec config unset <key>`
- **AND** the key does not exist in the config
- **THEN** display message indicating key was not set
- **AND** exit with code 0
### Requirement: Config Reset
The config command SHALL reset configuration to defaults.
#### Scenario: Reset all with confirmation
- **WHEN** user executes `openspec config reset --all`
- **THEN** prompt for confirmation before proceeding
- **AND** if confirmed, delete the config file or reset to defaults
- **AND** display confirmation message
#### Scenario: Reset all with -y flag
- **WHEN** user executes `openspec config reset --all -y`
- **THEN** reset without prompting for confirmation
#### Scenario: Reset without --all flag
- **WHEN** user executes `openspec config reset` without `--all`
- **THEN** display error indicating `--all` is required
- **AND** exit with code 1
### Requirement: Config Edit
The config command SHALL open the config file in the user's editor.
#### Scenario: Open editor successfully
- **WHEN** user executes `openspec config edit`
- **AND** `$EDITOR` or `$VISUAL` environment variable is set
- **THEN** open the config file in that editor
- **AND** create the config file with defaults if it doesn't exist
- **AND** wait for the editor to close before returning
#### Scenario: No editor configured
- **WHEN** user executes `openspec config edit`
- **AND** neither `$EDITOR` nor `$VISUAL` is set
- **THEN** display error message suggesting to set `$EDITOR`
- **AND** exit with code 1
### Requirement: Key Naming Convention
The config command SHALL use camelCase keys matching the JSON structure.
#### Scenario: Keys match JSON structure
- **WHEN** accessing configuration keys via CLI
- **THEN** use camelCase matching the actual JSON property names
- **AND** support dot notation for nested access (e.g., `featureFlags.someFlag`)
### Requirement: Schema Validation
The config command SHALL validate configuration writes against the config schema using zod, while rejecting unknown keys for `config set` unless explicitly overridden.
#### Scenario: Unknown key rejected by default
- **WHEN** user executes `openspec config set someFutureKey 123`
- **THEN** display a descriptive error message indicating the key is invalid
- **AND** do not modify the config file
- **AND** exit with code 1
#### Scenario: Unknown key accepted with override
- **WHEN** user executes `openspec config set someFutureKey 123 --allow-unknown`
- **THEN** the value is saved successfully
- **AND** exit with code 0
#### Scenario: Invalid feature flag value rejected
- **WHEN** user executes `openspec config set featureFlags.someFlag notABoolean`
- **THEN** display a descriptive error message
- **AND** do not modify the config file
- **AND** exit with code 1
### Requirement: Reserved Scope Flag
The config command SHALL reserve the `--scope` flag for future extensibility.
#### Scenario: Scope flag defaults to global
- **WHEN** user executes any config command without `--scope`
- **THEN** operate on global configuration (default behavior)
#### Scenario: Project scope not yet implemented
- **WHEN** user executes `openspec config --scope project <subcommand>`
- **THEN** display error message: "Project-local config is not yet implemented"
- **AND** exit with code 1