Add pending apps and frontend components

- apps/captain-mobile: Mobile API service
- apps/flow-ui: Flow UI application
- apps/mindlink: Mindlink application
- apps/storage: Storage API and workers
- apps/tzzr-cli: TZZR CLI tool
- deck-frontend/backups: Historical TypeScript versions
- hst-frontend: Standalone HST frontend

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

hst-frontend/js/api.js

@@ -0,0 +1,81 @@
+// === API FUNCTIONS ===
+
+async function fetchTags() {
+    try {
+        const r = await fetch(`${API}/${state.base}?order=ref.asc`);
+        state.tags = r.ok ? await r.json() : [];
+    } catch(e) {
+        state.tags = [];
+    }
+}
+
+async function fetchGroups() {
+    try {
+        const r = await fetch(`${API}/api_groups`);
+        state.groups = r.ok ? await r.json() : [];
+    } catch(e) {
+        state.groups = [];
+    }
+}
+
+async function fetchLibraries() {
+    try {
+        const r = await fetch(`${API}/api_library_list`);
+        state.libraries = r.ok ? await r.json() : [];
+    } catch(e) {
+        state.libraries = [];
+    }
+}
+
+async function fetchGraphEdges() {
+    try {
+        const r = await fetch(`${API}/graph_hst`);
+        state.graphEdges = r.ok ? await r.json() : [];
+    } catch(e) {
+        state.graphEdges = [];
+    }
+}
+
+async function fetchTreeEdges() {
+    try {
+        const r = await fetch(`${API}/tree_hst`);
+        state.treeEdges = r.ok ? await r.json() : [];
+    } catch(e) {
+        state.treeEdges = [];
+    }
+}
+
+async function fetchLibraryMembers(mrf) {
+    try {
+        const r = await fetch(`${API}/library_hst?mrf_library=eq.${mrf}`);
+        return r.ok ? (await r.json()).map(d => d.mrf_tag) : [];
+    } catch(e) {
+        return [];
+    }
+}
+
+async function fetchChildren(mrf) {
+    try {
+        const r = await fetch(`${API}/rpc/api_children`, {
+            method: "POST",
+            headers: {"Content-Type": "application/json"},
+            body: JSON.stringify({parent_mrf: mrf})
+        });
+        return r.ok ? await r.json() : [];
+    } catch(e) {
+        return [];
+    }
+}
+
+async function fetchRelated(mrf) {
+    try {
+        const r = await fetch(`${API}/rpc/api_related`, {
+            method: "POST",
+            headers: {"Content-Type": "application/json"},
+            body: JSON.stringify({tag_mrf: mrf})
+        });
+        return r.ok ? await r.json() : [];
+    } catch(e) {
+        return [];
+    }
+}