feat(dash): improved frontend dashboard (#6)

Co-authored-by: Sharang Parnerkar <parnerkarsharang@gmail.com>
Reviewed-on: #6

src/models/developer.rs

@@ -0,0 +1,47 @@
+use serde::{Deserialize, Serialize};
+
+/// An AI agent entry managed through the developer tools.
+///
+/// # Fields
+///
+/// * `id` - Unique agent identifier
+/// * `name` - Human-readable agent name
+/// * `description` - What this agent does
+/// * `status` - Current running status label
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct AgentEntry {
+    pub id: String,
+    pub name: String,
+    pub description: String,
+    pub status: String,
+}
+
+/// A workflow/flow entry from the flow builder.
+///
+/// # Fields
+///
+/// * `id` - Unique flow identifier
+/// * `name` - Human-readable flow name
+/// * `node_count` - Number of nodes in the flow graph
+/// * `last_run` - ISO 8601 timestamp of the last execution
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct FlowEntry {
+    pub id: String,
+    pub name: String,
+    pub node_count: u32,
+    pub last_run: Option<String>,
+}
+
+/// A single analytics metric for the developer dashboard.
+///
+/// # Fields
+///
+/// * `label` - Display name of the metric
+/// * `value` - Current value as a formatted string
+/// * `change_pct` - Percentage change from previous period (positive = increase)
+#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+pub struct AnalyticsMetric {
+    pub label: String,
+    pub value: String,
+    pub change_pct: f64,
+}