[refactor] enhance model management with metadata enrichment, new API integration, and manifest resolution

crates/polyscribe-cli/src/main.rs

@@ -85,7 +85,6 @@ async fn main() -> Result<()> {
                         .await
                         .map_err(|e| anyhow!("blocking task join error: {e}"))?
                         .context("updating models")?;
-                    println!("Models updated.");
                 }
                 ModelsCmd::Download => {
                     info!("interactive model selection and download");

crates/polyscribe-core/Cargo.toml

@@ -15,7 +15,7 @@ libc = "0.2.175"
 whisper-rs = "0.14.3"
 indicatif = "0.17.11"
 # New: HTTP downloads + hashing
-reqwest = { version = "0.12.7", default-features = false, features = ["blocking", "rustls-tls", "gzip"] }
+reqwest = { version = "0.12.7", default-features = false, features = ["blocking", "rustls-tls", "gzip", "json"] }
 sha2 = "0.10.8"
 hex = "0.4.3"
 tempfile = "3.12.0"