Feature/session detail analytics

.gitignore

@@ -8,4 +8,5 @@ docs/plans/
 screenshots/
 .idea/
 docs/superpowers/
+.superpowers/
 PROJECT_DESCRIPTION.md

crates/tracevault-server/migrations/002_model_pricing.sql

@@ -0,0 +1,21 @@
+CREATE TABLE model_pricing (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    model TEXT NOT NULL,
+    input_per_mtok DOUBLE PRECISION NOT NULL,
+    output_per_mtok DOUBLE PRECISION NOT NULL,
+    cache_read_per_mtok DOUBLE PRECISION NOT NULL,
+    cache_write_per_mtok DOUBLE PRECISION NOT NULL,
+    effective_from TIMESTAMPTZ NOT NULL,
+    effective_until TIMESTAMPTZ,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+CREATE INDEX idx_model_pricing_lookup
+  ON model_pricing(model, effective_from);
+
+-- Seed with current Anthropic rates
+INSERT INTO model_pricing (model, input_per_mtok, output_per_mtok, cache_read_per_mtok, cache_write_per_mtok, effective_from)
+VALUES
+    ('opus',   15.00, 75.00, 1.50,  18.75, '2025-01-01T00:00:00Z'),
+    ('sonnet',  3.00, 15.00, 0.30,   3.75, '2025-01-01T00:00:00Z'),
+    ('haiku',   0.80,  4.00, 0.08,   1.00, '2025-01-01T00:00:00Z');

crates/tracevault-server/src/api/auth.rs

@@ -237,19 +237,7 @@ pub async fn login(
         .await
         .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
 
-    // Audit with nil org_id since login is org-agnostic now
-    crate::audit::log(
-        &state.pool,
-        crate::audit::user_action(
-            Uuid::nil(),
-            user_id,
-            "user.login",
-            "user",
-            Some(user_id),
-            None,
-        ),
-    )
-    .await;
+    // Login is org-agnostic — skip audit log (audit_log requires a valid org_id)
 
     Ok(Json(LoginResponse {
         token: raw_token,

crates/tracevault-server/src/api/mod.rs

@@ -9,4 +9,5 @@ pub mod github;
 pub mod orgs;
 pub mod policies;
 pub mod repos;
+pub mod session_detail;
 pub mod traces;