Tests: list_fonts checks the query's contract, not a count of one (#149)

With installed families whose names contain the query (JetBrainsMono
Nerd Font and its variants) the test expected exactly one match and
failed. It now checks that every match contains the query, the count
agrees, the query filters, and the bundled JetBrains Mono is there with
its Regular style.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

crates/automation/src/tests.rs

@@ -400,10 +400,15 @@ fn list_fonts_lists_families_with_styles() {
     let all = call_json(&mut s, "list_fonts", json!({}));
     let fams = all["families"].as_array().unwrap();
     assert!(fams.iter().any(|f| f["family"] == "Inter" && f["origin"] == "bundled"), "{all}");
+    // The query filters by substring: the bundled JetBrains Mono, and any installed family whose
+    // name contains it (JetBrainsMono Nerd Font…) (#149).
     let one = call_json(&mut s, "list_fonts", json!({"query": "jetbrains"}));
-    assert_eq!(one["count"], 1, "{one}");
-    assert_eq!(one["families"][0]["family"], "JetBrains Mono");
-    assert!(one["families"][0]["styles"].as_array().unwrap().contains(&json!("Regular")), "{one}");
+    let matched = one["families"].as_array().unwrap();
+    assert_eq!(one["count"].as_u64(), Some(matched.len() as u64), "{one}");
+    assert!(matched.iter().all(|f| f["family"].as_str().unwrap().to_lowercase().contains("jetbrains")), "{one}");
+    assert!(matched.len() < fams.len(), "the query filters: {one}");
+    let mono = matched.iter().find(|f| f["family"] == "JetBrains Mono").unwrap_or_else(|| panic!("{one}"));
+    assert!(mono["styles"].as_array().unwrap().contains(&json!("Regular")), "{one}");
 }
 
 /// Trained models over MCP (Roto Brush and face tracking): listed with their authors and
@@ -428,12 +433,7 @@ fn trained_models_over_mcp() {
 fn agents_doc_tools_table_is_current() {
     // (Checkouts may have CRLF line endings.)
     let doc = include_str!("../../../docs/agents.md").replace("\r\n", "\n");
-    let table: String = doc
-        .split("### Tools")
-        .nth(1)
-        .and_then(|t| t.split("\n\n").nth(1))
-        .unwrap_or_default()
-        .to_string();
+    let table: String = doc.split("### Tools").nth(1).and_then(|t| t.split("\n\n").nth(1)).unwrap_or_default().to_string();
     assert!(table.starts_with("| Tool |"), "no Tools table");
     let mut missing = vec![];
     for t in crate::tools::catalogue() {