feat: enhance strictness of Rust compiler settings and improve code quality by treating warnings as errors

src/app/subagent/division.rs

@@ -32,7 +32,7 @@ pub mod roles {
 }
 
 /// ─── Division Agent Definitions ───
-
+///
 /// Build the Strategy Division agent — chief architect and planner.
 ///
 /// Tools: read-only (read, grep, glob, search, lsp, plan, seqthink, recall)
@@ -172,16 +172,17 @@ pub fn documentation_division() -> AgentDefinition {
 }
 
 /// ─── Division Registry ───
-
+///
 /// A named division with its agent definition and display metadata.
 #[derive(Debug, Clone)]
-#[allow(dead_code)]
 pub struct Division {
     /// Display name for the division (e.g. "Strategy", "Engineering").
     pub name: &'static str,
     /// Role tag used for pipeline routing (matches `roles::*` constants).
+    #[allow(dead_code)]
     pub role: &'static str,
     /// One-line description of what this division does.
+    #[allow(dead_code)]
     pub description: &'static str,
     /// Agent definition with tools, prompt, and step budget.
     pub agent_def: AgentDefinition,