refactor: use GitHub activity for project sorting instead of update timestamp

.sqlx/query-3401838a054f29a17d96086529b7222026aafa8a385615129eb0d407e44faa9c.json

@@ -1,6 +1,6 @@
 {
   "db_name": "PostgreSQL",
-  "query": "\n        SELECT \n            p.id, \n            p.slug, \n            p.name,\n            p.short_description,\n            p.description, \n            p.status as \"status: super::ProjectStatus\", \n            p.github_repo, \n            p.demo_url, \n            p.last_github_activity, \n            p.created_at, \n            p.updated_at\n        FROM projects p\n        JOIN project_tags pt ON p.id = pt.project_id\n        WHERE pt.tag_id = $1\n        ORDER BY p.updated_at DESC\n        ",
+  "query": "\n        SELECT \n            p.id, \n            p.slug, \n            p.name,\n            p.short_description,\n            p.description, \n            p.status as \"status: super::ProjectStatus\", \n            p.github_repo, \n            p.demo_url, \n            p.last_github_activity, \n            p.created_at, \n            p.updated_at\n        FROM projects p\n        JOIN project_tags pt ON p.id = pt.project_id\n        WHERE pt.tag_id = $1\n        ORDER BY COALESCE(p.last_github_activity, p.created_at) DESC\n        ",
   "describe": {
     "columns": [
       {
@@ -90,5 +90,5 @@
       false
     ]
   },
-  "hash": "73404037b3f04ace5f775906ed25d4c572647889dc0185aed652038447ef9642"
+  "hash": "3401838a054f29a17d96086529b7222026aafa8a385615129eb0d407e44faa9c"
 }

.sqlx/query-4a2a394398d4597d2366023baad3327cc50ed2c914abe1293644cc860df74d34.json

@@ -1,6 +1,6 @@
 {
   "db_name": "PostgreSQL",
-  "query": "\n        SELECT\n            id,\n            slug,\n            name,\n            short_description,\n            description,\n            status as \"status: ProjectStatus\",\n            github_repo,\n            demo_url,\n            last_github_activity,\n            created_at,\n            updated_at\n        FROM projects\n        ORDER BY updated_at DESC\n        ",
+  "query": "\n        SELECT\n            id,\n            slug,\n            name,\n            short_description,\n            description,\n            status as \"status: ProjectStatus\",\n            github_repo,\n            demo_url,\n            last_github_activity,\n            created_at,\n            updated_at\n        FROM projects\n        ORDER BY COALESCE(last_github_activity, created_at) DESC\n        ",
   "describe": {
     "columns": [
       {
@@ -88,5 +88,5 @@
       false
     ]
   },
-  "hash": "7210d993016792490832230c09ed3c4dfc1a6292fcc9c16ded0b182b9952b7ce"
+  "hash": "4a2a394398d4597d2366023baad3327cc50ed2c914abe1293644cc860df74d34"
 }

.sqlx/query-d851d8d7117d3cfcd8c50304d60565cd2cc275e2776929d660f9351dad5b418f.json

@@ -1,6 +1,6 @@
 {
   "db_name": "PostgreSQL",
-  "query": "\n        SELECT\n            id,\n            slug,\n            name,\n            short_description,\n            description,\n            status as \"status: ProjectStatus\",\n            github_repo,\n            demo_url,\n            last_github_activity,\n            created_at,\n            updated_at\n        FROM projects\n        WHERE status != 'hidden'\n        ORDER BY updated_at DESC\n        ",
+  "query": "\n        SELECT\n            id,\n            slug,\n            name,\n            short_description,\n            description,\n            status as \"status: ProjectStatus\",\n            github_repo,\n            demo_url,\n            last_github_activity,\n            created_at,\n            updated_at\n        FROM projects\n        WHERE status != 'hidden'\n        ORDER BY COALESCE(last_github_activity, created_at) DESC\n        ",
   "describe": {
     "columns": [
       {
@@ -88,5 +88,5 @@
       false
     ]
   },
-  "hash": "92641a97d3f5329df38e2ecb456b1f43392b34bba0b286ab9bd75a8207354fea"
+  "hash": "d851d8d7117d3cfcd8c50304d60565cd2cc275e2776929d660f9351dad5b418f"
 }

Justfile

@@ -27,6 +27,7 @@ check:
       { name: "eslint", cmd: ["bun", "run", "--cwd", "web", "lint"] },
       { name: "svelte-check", cmd: ["bun", "run", "--cwd", "web", "check"] },
       { name: "clippy", cmd: ["cargo", "clippy", "--all-targets"] },
+      { name: "sqlx-prepare", cmd: ["cargo", "sqlx", "prepare", "--check"] },
       { name: "rustfmt", cmd: ["cargo", "fmt", "--check"] },
     ];
 

src/cli/output.rs

@@ -48,7 +48,11 @@ pub fn print_project(project: &ApiAdminProject) {
         println!("  {} {}", dim.paint("Tags:"), tags.join(", "));
     }
 
-    println!("  {} {}", dim.paint("Updated:"), project.updated_at);
+    println!(
+        "  {} {}",
+        dim.paint("Last Activity:"),
+        project.last_activity
+    );
 }
 
 /// Print a list of projects in table format

src/db/projects.rs

@@ -56,10 +56,8 @@ pub struct ApiAdminProject {
     pub demo_url: Option<String>,
     #[serde(rename = "createdAt")]
     pub created_at: String, // ISO 8601
-    #[serde(rename = "updatedAt")]
+    #[serde(rename = "lastActivity")]
-    pub updated_at: String, // ISO 8601
+    pub last_activity: String, // ISO 8601
-    #[serde(rename = "lastGithubActivity", skip_serializing_if = "Option::is_none")]
-    pub last_github_activity: Option<String>, // ISO 8601
 }
 
 impl DbProject {
@@ -91,6 +89,12 @@ impl DbProject {
     }
 
     pub fn to_api_admin_project(&self, tags: Vec<DbTag>) -> ApiAdminProject {
+        let last_activity = self
+            .last_github_activity
+            .unwrap_or(self.created_at)
+            .format(&Rfc3339)
+            .unwrap();
+
         ApiAdminProject {
             project: self.to_api_project(),
             tags: tags.into_iter().map(|t| t.to_api_tag()).collect(),
@@ -99,10 +103,7 @@ impl DbProject {
             github_repo: self.github_repo.clone(),
             demo_url: self.demo_url.clone(),
             created_at: self.created_at.format(&Rfc3339).unwrap(),
-            updated_at: self.updated_at.format(&Rfc3339).unwrap(),
+            last_activity,
-            last_github_activity: self
-                .last_github_activity
-                .map(|dt| dt.format(&Rfc3339).unwrap()),
         }
     }
 }
@@ -164,7 +165,7 @@ pub async fn get_public_projects(pool: &PgPool) -> Result<Vec<DbProject>, sqlx::
             updated_at
         FROM projects
         WHERE status != 'hidden'
-        ORDER BY updated_at DESC
+        ORDER BY COALESCE(last_github_activity, created_at) DESC
         "#
     )
     .fetch_all(pool)
@@ -203,7 +204,7 @@ pub async fn get_all_projects_admin(pool: &PgPool) -> Result<Vec<DbProject>, sql
             created_at,
             updated_at
         FROM projects
-        ORDER BY updated_at DESC
+        ORDER BY COALESCE(last_github_activity, created_at) DESC
         "#
     )
     .fetch_all(pool)

src/db/tags.rs

@@ -314,7 +314,7 @@ pub async fn get_projects_for_tag(
         FROM projects p
         JOIN project_tags pt ON p.id = pt.project_id
         WHERE pt.tag_id = $1
-        ORDER BY p.updated_at DESC
+        ORDER BY COALESCE(p.last_github_activity, p.created_at) DESC
         "#,
         tag_id
     )

web/src/lib/admin-types.ts

@@ -27,8 +27,7 @@ export interface AdminProject {
   githubRepo?: string | null;
   demoUrl?: string | null;
   createdAt: string;
-  updatedAt: string;
+  lastActivity: string;
-  lastGithubActivity?: string | null;
 }
 
 export interface CreateProjectData {

web/src/lib/components/ProjectCard.svelte

@@ -63,7 +63,7 @@
         {project.name}
       </h3>
       <span class="shrink-0 sm:text-[0.83rem] text-zinc-600 dark:text-zinc-300">
-        {formatDate(project.updatedAt)}
+        {formatDate(project.lastActivity)}
       </span>
     </div>
     <p

web/src/lib/mock-data/projects.ts

@@ -11,7 +11,7 @@ export interface MockProject {
   description: string;
   url: string;
   tags: MockProjectTag[];
-  updatedAt: string;
+  lastActivity: string;
   clockIconSvg?: string; // Pre-rendered clock icon for "Updated" text
 }
 
@@ -27,7 +27,7 @@ export const MOCK_PROJECTS: MockProject[] = [
       { name: "SvelteKit", icon: "simple-icons:svelte", color: "f43f5e" },
       { name: "PostgreSQL", icon: "cib:postgresql", color: "3b82f6" },
     ],
-    updatedAt: "2026-01-06T22:12:37Z",
+    lastActivity: "2026-01-06T22:12:37Z",
   },
   {
     id: "2",
@@ -40,7 +40,7 @@ export const MOCK_PROJECTS: MockProject[] = [
       { name: "CLI", icon: "lucide:terminal", color: "a1a1aa" },
       { name: "Analytics", icon: "lucide:bar-chart-3", color: "10b981" },
     ],
-    updatedAt: "2026-01-06T06:01:27Z",
+    lastActivity: "2026-01-06T06:01:27Z",
   },
   {
     id: "3",
@@ -53,7 +53,7 @@ export const MOCK_PROJECTS: MockProject[] = [
       { name: "NPM", icon: "simple-icons:npm", color: "ec4899" },
       { name: "Graphics", icon: "lucide:image", color: "a855f7" },
     ],
-    updatedAt: "2026-01-05T20:23:07Z",
+    lastActivity: "2026-01-05T20:23:07Z",
   },
   {
     id: "4",
@@ -67,7 +67,7 @@ export const MOCK_PROJECTS: MockProject[] = [
       { name: "Desktop", icon: "lucide:monitor", color: "6366f1" },
       { name: "Media", icon: "lucide:video", color: "f43f5e" },
     ],
-    updatedAt: "2026-01-05T05:09:09Z",
+    lastActivity: "2026-01-05T05:09:09Z",
   },
   {
     id: "5",
@@ -80,7 +80,7 @@ export const MOCK_PROJECTS: MockProject[] = [
       { name: "Next.js", icon: "simple-icons:nextdotjs", color: "a1a1aa" },
       { name: "Networking", icon: "lucide:network", color: "0ea5e9" },
     ],
-    updatedAt: "2026-01-05T10:36:55Z",
+    lastActivity: "2026-01-05T10:36:55Z",
   },
   {
     id: "6",
@@ -93,6 +93,6 @@ export const MOCK_PROJECTS: MockProject[] = [
       { name: "System", icon: "lucide:settings-2", color: "a1a1aa" },
       { name: "Cross-platform", icon: "lucide:globe", color: "22c55e" },
     ],
-    updatedAt: "2026-01-01T00:34:09Z",
+    lastActivity: "2026-01-01T00:34:09Z",
   },
 ];

web/src/routes/admin/projects/+page.svelte

@@ -128,7 +128,7 @@
           <th
             class="px-4 py-3 text-left text-xs font-medium text-admin-text-muted"
           >
-            Updated
+            Last Activity
           </th>
           <th
             class="px-4 py-3 text-right text-xs font-medium text-admin-text-muted"
@@ -168,7 +168,7 @@
               </div>
             </td>
             <td class="px-4 py-3 text-admin-text-secondary text-sm">
-              {formatDate(project.updatedAt)}
+              {formatDate(project.lastActivity)}
             </td>
             <td class="px-4 py-3 text-right">
               <div class="flex justify-end gap-2">