## MODIFIED Requirements

### Requirement: Search command

The client SHALL provide a `kb search <query>` command that sends the query to the engine and displays results.

#### Scenario: Human-readable search output
- **WHEN** the user runs `kb search "how to change oil"`
- **THEN** the client SHALL POST to `/api/v1/search`, and display results in a human-readable format showing rank, score, document title, page/section, doc type, tags, and a text snippet
- **THEN** the client SHALL parse search results as flat objects with top-level `title`, `doc_type`, `tags`, `score`, `text`, `chunk_index` fields
- **THEN** the client SHALL extract `page` from `chunk_metadata` when present (PDF documents)
- **THEN** the client SHALL extract `section_header` from `chunk_metadata` when present (markdown documents)

#### Scenario: JSON search output
- **WHEN** the user runs `kb search "query" --format json`
- **THEN** the client SHALL output the raw JSON response from the engine

#### Scenario: Search with filters
- **WHEN** the user runs `kb search "brakes" --tags maintenance --type pdf --top 3`
- **THEN** the client SHALL include the filters in the API request body

#### Scenario: Search mode flags
- **WHEN** the user runs `kb search "error" --fts-only`
- **THEN** the client SHALL set `fts_only: true` in the request body

#### Scenario: PDF result with page number
- **WHEN** a search result has `chunk_metadata` containing `{"page": 12}`
- **THEN** the human output SHALL display "Page 12" in the location line

#### Scenario: Markdown result with section header
- **WHEN** a search result has `chunk_metadata` containing `{"section_header": "Installation > Prerequisites"}`
- **THEN** the human output SHALL display "Installation > Prerequisites" in the location line

#### Scenario: Result with both page and section
- **WHEN** a search result has `chunk_metadata` containing both `page` and `section_header`
- **THEN** the human output SHALL display both separated by " / "

#### Scenario: Result with no location metadata
- **WHEN** a search result has empty `chunk_metadata` or no page/section keys
- **THEN** the human output SHALL omit the location line entirely