---------------------------------------------------------------------------- Test: line grouping yields one result per visually separated line. ------

Pure-function test: language tag -> script model file. No I/O or models, so this runs even when the vendored runtime / models are absent (Phase 4D).

* @brief Test layer management operations. */

* @brief Test LinkObject serialization round-trip. */

* @brief Test LinkSlot serialization round-trip. */

* @brief Test metadata-only serialization. * * Tests: * - toJson() produces metadata without pages * - fromJson() loads metadata without pages *

* @brief Test movePage() operations in detail. * * Tests: * - Move from middle positions * - Move to same position (no-op) * - Move first to las

* @brief Test object management and hit testing. */

* @brief Test page management operations. * * Tests: * - addPage() adds pages at end * - insertPage() inserts at position * - removePage() remov

* @brief Test parsePageRange() with various inputs. * * Tests: * - Empty string → all pages * - "all" → all pages * - Single page number * - Ra

* @brief Test PDF reference management. * * Tests: * - hasPdfReference() / isPdfLoaded() * - Path is stored even when load fails * - clearPdfRef

---------------------------------------------------------------------------- Test: rasterizer normalization (golden-ish strip properties). -----------

---------------------------------------------------------------------------- Test: resolveAutoLanguage maps a system locale to a backend tag. Vision-s

---------------------------------------------------------------------------- Test: Latin words split on space; CJK emits one segment per glyph. ------

* @brief Test Page serialization round-trip. * * Creates a page with content, serializes to JSON, deserializes, * and verifies the data matches.

* @brief Test Document serialization round-trip. * * Tests: * - toFullJson() exports all data * - fromFullJson() restores all data * - Data inte

* @brief Test slot clear() method. */

---------------------------------------------------------------------------- Test: image->canvas transform round-trips a known point and rect. -------

Thumbnail placeholder background

* @brief Monotonically-increasing counter bumped on every m_tiles mutation * (insert, erase, clear). Used by consumers that cache data derived fr

Tokenize a PDF content stream into a list of tokens. This is intentionally minimal: it recognises numbers, names, strings, operators, and inline image

Notebook type indicators

* Static helper to recursively build outline tree for output PDF. * Uses fz_outline which cannot be forward-declared in the header. */

Document is non-copyable due to unique_ptr members

Prevent copying

* @brief Default constructor. */

* @brief Default constructor. * Creates an object with a unique ID. */