feat(indexing): Lot 4 - Progression temps reel, Full Rebuild, Optimisations

- Ajout migrations DB: index_job_errors, library_monitoring, full_rebuild_type
- API: endpoints progression temps reel (/jobs/:id/stream), active jobs, details
- API: support full_rebuild avec suppression donnees existantes
- Indexer: logs detailles avec timing [SCAN][META][PARSER][BDD]
- Indexer: optimisation parsing PDF (lopdf -> pdfinfo) 235x plus rapide
- Indexer: corrections chemins LIBRARIES_ROOT_PATH pour dev local
- Backoffice: composants JobProgress, JobsIndicator (header), JobsList
- Backoffice: SSE streaming pour progression temps reel
- Backoffice: boutons Index/Index Full sur page libraries
- Backoffice: highlight job apres creation avec redirection
- Fix: parsing volume type i32, sync meilisearch cleanup

Perf: parsing PDF passe de 8.7s a 37ms
Perf: indexation 45 fichiers en ~15s vs plusieurs minutes avant

apps/api/Cargo.toml

@@ -9,11 +9,14 @@ anyhow.workspace = true
 argon2.workspace = true
 axum.workspace = true
 base64.workspace = true
+async-stream = "0.3"
 chrono.workspace = true
+futures = "0.3"
 image.workspace = true
 lru.workspace = true
 stripstream-core = { path = "../../crates/core" }
 rand.workspace = true
+tokio-stream = "0.1"
 reqwest.workspace = true
 serde.workspace = true
 serde_json.workspace = true
@@ -21,6 +24,7 @@ sha2.workspace = true
 sqlx.workspace = true
 tokio.workspace = true
 tower.workspace = true
+tower-http = { version = "0.6", features = ["cors"] }
 tracing.workspace = true
 tracing-subscriber.workspace = true
 uuid.workspace = true