feat: add generated scene skill platform hardening

tests/g6_host_bridge_callback_semantics_test.rs

@@ -0,0 +1,111 @@
+use std::fs;
+
+use serde::Deserialize;
+
+#[derive(Debug, Deserialize)]
+struct G6HostBridgeCallbackSemantics {
+    #[serde(rename = "decisionDate")]
+    decision_date: String,
+    scope: String,
+    #[serde(rename = "startingState")]
+    starting_state: StartingState,
+    #[serde(rename = "completionStates")]
+    completion_states: Vec<CompletionState>,
+    #[serde(rename = "semanticRules")]
+    semantic_rules: Vec<SemanticRule>,
+    #[serde(rename = "selectedFollowup")]
+    selected_followup: SelectedFollowup,
+    notes: Vec<String>,
+}
+
+#[derive(Debug, Deserialize)]
+struct StartingState {
+    #[serde(rename = "targetGroup")]
+    target_group: String,
+    #[serde(rename = "realExecutionOutOfScope")]
+    real_execution_out_of_scope: bool,
+    #[serde(rename = "implementationOutOfScope")]
+    implementation_out_of_scope: bool,
+    #[serde(rename = "heldGroups")]
+    held_groups: Vec<String>,
+}
+
+#[derive(Debug, Deserialize)]
+struct CompletionState {
+    state: String,
+    definition: String,
+}
+
+#[derive(Debug, Deserialize)]
+struct SemanticRule {
+    rule: String,
+    summary: String,
+}
+
+#[derive(Debug, Deserialize)]
+struct SelectedFollowup {
+    design: String,
+    plan: String,
+}
+
+#[test]
+fn g6_host_bridge_callback_semantics_stay_bounded() {
+    let asset: G6HostBridgeCallbackSemantics = serde_json::from_str(
+        &fs::read_to_string(
+            "tests/fixtures/generated_scene/g6_host_bridge_callback_semantics_2026-04-19.json",
+        )
+        .unwrap(),
+    )
+    .unwrap();
+
+    assert_eq!(asset.decision_date, "2026-04-19");
+    assert_eq!(asset.scope, "g6-host-bridge-callback-semantics");
+    assert_eq!(asset.starting_state.target_group, "G6");
+    assert!(asset.starting_state.real_execution_out_of_scope);
+    assert!(asset.starting_state.implementation_out_of_scope);
+    assert_eq!(asset.starting_state.held_groups, vec!["G8"]);
+
+    assert!(asset
+        .completion_states
+        .iter()
+        .any(|item| item.state == "ok"));
+    assert!(asset
+        .completion_states
+        .iter()
+        .any(|item| item.state == "partial"));
+    assert!(asset
+        .completion_states
+        .iter()
+        .any(|item| item.state == "blocked"));
+    assert!(asset
+        .completion_states
+        .iter()
+        .any(|item| item.state == "error"));
+
+    assert!(asset
+        .semantic_rules
+        .iter()
+        .any(|item| item.rule == "blocked_has_priority"));
+    assert!(asset
+        .semantic_rules
+        .iter()
+        .any(|item| item.rule == "fatal_error_maps_to_error"));
+    assert!(asset
+        .semantic_rules
+        .iter()
+        .any(|item| item.rule == "non_ok_callback_maps_to_partial"));
+    assert!(asset
+        .semantic_rules
+        .iter()
+        .any(|item| item.rule == "all_ok_maps_to_ok"));
+
+    assert!(asset
+        .selected_followup
+        .design
+        .ends_with("2026-04-19-g6-host-bridge-callback-state-verification-design.md"));
+    assert!(asset
+        .selected_followup
+        .plan
+        .ends_with("2026-04-19-g6-host-bridge-callback-state-verification-plan.md"));
+    assert!(!asset.notes.is_empty());
+}