Add and prepare rust worker management system for file information processing and knowledge base framework

rust-engine/src/gemini_client.rs

@@ -0,0 +1,37 @@
+use anyhow::Result;
+use serde::Deserialize;
+
+// NOTE: This is a small stub to represent where you'd call the Gemini API.
+// Replace with real API call and proper auth handling for production.
+
+#[derive(Debug, Deserialize)]
+pub struct GeminiTokenResponse {
+    pub token: String,
+}
+
+pub async fn generate_token_for_file(_path: &str) -> Result<String> {
+    Ok("gemini-token-placeholder".to_string())
+}
+
+/// Demo embedding generator - deterministic pseudo-embedding from filename/path
+pub fn demo_embedding_from_path(path: &str) -> Vec<f32> {
+    // Very simple: hash bytes into a small vector
+    let mut v = vec![0f32; 64];
+    for (i, b) in path.as_bytes().iter().enumerate() {
+        let idx = i % v.len();
+        v[idx] += (*b as f32) / 255.0;
+    }
+    v
+}
+
+pub const DEMO_EMBED_DIM: usize = 64;
+
+/// Demo text embedding (replace with real Gemini text embedding API)
+pub async fn demo_text_embedding(text: &str) -> Result<Vec<f32>> {
+    let mut v = vec![0f32; DEMO_EMBED_DIM];
+    for (i, b) in text.as_bytes().iter().enumerate() {
+        let idx = i % v.len();
+        v[idx] += (*b as f32) / 255.0;
+    }
+    Ok(v)
+}