cleanup: remove dead code and duplicate docs

- Remove session-ses_2f27.md (161KB raw session log)
- Remove 49 ROOT_* duplicate files across REFERENCE/
- Remove 14 duplicate files between REFERENCE/ root and history/
- Remove asr_legacy.rs (dead code, replaced by asr.rs)
- Remove src/core/worker/ (duplicate JobWorker)
- Remove src/core/layers/ (empty directory)
- Remove 4 .bak files in src/
- Remove 7 dead private methods in worker/processor.rs
- Remove backup directory from git tracking

Cargo.toml

@@ -26,6 +26,7 @@ futures-util = "0.3"
 # Serialization
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
+regex = "1"
 chrono = { version = "0.4", features = ["serde"] }
 
 # UUID
@@ -98,6 +99,10 @@ optional = true
 name = "momentry"
 path = "src/main.rs"
 
+[[bin]]
+name = "momentry-cli"
+path = "src/bin/cli.rs"
+
 [[bin]]
 name = "momentry_player"
 path = "src/player/main.rs"