fix: inpainting OOM & pipeline error handling

fix: bold/italic cause postcard unable reopen

fix: make clippy happy

refactor(core): rewrite data model as Scene + Op + content-addressed blobs

refactor: remove bubbleDetector

fix: default font not being applied in processing (#456)

Adds the ability to reorder pages (#393)

fix: add `get_document_id_for_index` mcp tool (#377)

fix: batch procssing pipeline

fix: enhance pipeline processing

feat: custom system prompt

feat: google fonts

perf: improve ctd

feat: blob API, bubble/AOT-inpainting models, and rendering redesign

feat: pluggable engine system with DAG pipeline

refactor(ui): centralize error handling with XState

refactor: simplify Tauri setup and dev server

refactor: rewrite backend storage, config, and runtime

refactor: OpenAPI codegen with utoipa and Orval

feat: bootstrap window

refactor: merge crates

refactor: split modules

feat: download progress indicator

chore: reorganize code

refactor: new renderer (#99)

feat: google fonts

chore: make clippy happy

chore: cleanup tracing logs

chore: add tracing logs for download

refactor: re-introduce koharu-core

refactor: use koharu-ml

feat: text rendering via Rust

chore: make clippy happy

perf: download with http range

refactor: use stream for http request

fix: update PROGRESS_WINDOW_EVENT URL to match naming convention

feat: add tracing events for download events

feat: Implement core application structure and functionality