Replace Ollama/Windows OCR with ocrs, add clipboard image deduplication

server/Cargo.toml

@@ -49,6 +49,8 @@ notify = "7"
 blake3 = "1.8"
 tokio-stream = { version = "0.1", features = ["sync"] }
 chrono = { version = "0.4.45", features = ["serde"] }
+ocrs = "0.13.1"
+rten = "0.26.0"
 
 [build-dependencies]
 chrono = "0.4.45"