feat: add REPORTS system with champion reports integration

Implements the REPORTS placeholder system in mdbook preprocessor,
adds reports.md page to 2025H2, and integrates champion reports
generation. Connects all previously CLI-only content generation
to the book via dynamic chapter injection.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: nikomatsakis

crates/rust-project-goals-cli/Cargo.toml

@@ -3,6 +3,14 @@ name = "rust-project-goals-cli"
 version = "0.1.0"
 edition = "2021"
 
+[[bin]]
+name = "rust-project-goals-cli"
+path = "src/main.rs"
+
+[lib]
+name = "rust_project_goals_cli"
+path = "src/lib.rs"
+
 [dependencies]
 anyhow = "1.0.94"
 regex = "1.11.1"

crates/rust-project-goals/src/format_champions.rs

@@ -16,7 +16,12 @@ pub fn format_champions(goals: &[&GoalDocument]) -> Result<String> {
     for goal in goals {
         for champion in goal.metadata.champions.values() {
             let champion_name = champion.content.clone();
-            let goal_link = format!("° [{}]({})", goal.metadata.title.content, goal.link_path.display());
+            let goal_link = format!(
+                "° [{}]({})",
+                goal.metadata.title.content,
+                goal.link_path.display()
+            );
+
 
             champion_goals
                 .entry(champion_name)

src/2025h2/reports.md

@@ -0,0 +1,3 @@
+# Reports
+
+(((REPORTS)))