diff --git a/src/Detection/Framework.php b/src/Detection/Framework.php
index fceaffb..5058e4d 100644
--- a/src/Detection/Framework.php
+++ b/src/Detection/Framework.php
@@ -39,4 +39,21 @@ abstract public function getInstallCommand(): string;
     abstract public function getBuildCommand(): string;
 
     abstract public function getOutputDirectory(): string;
+
+    /**
+     * @return array<string> Config files to read for adapter detection, in priority order.
+     */
+    public function getConfigFiles(): array
+    {
+        return [];
+    }
+
+    /**
+     * Detect the adapter ('ssr' or 'static') from config file content.
+     * Returns empty string if detection is not possible.
+     */
+    public function getAdapter(string $configContent): string
+    {
+        return '';
+    }
 }
diff --git a/src/Detection/Framework/Astro.php b/src/Detection/Framework/Astro.php
index 6db7fe0..e16b684 100644
--- a/src/Detection/Framework/Astro.php
+++ b/src/Detection/Framework/Astro.php
@@ -67,4 +67,23 @@ public function getOutputDirectory(): string
     {
         return './dist';
     }
+
+    /**
+     * @return array<string>
+     */
+    public function getConfigFiles(): array
+    {
+        return ['astro.config.mjs', 'astro.config.js', 'astro.config.ts'];
+    }
+
+    public function getAdapter(string $configContent): string
+    {
+        $stripped = \preg_replace('/(?<!:)\/\/[^\n]*/', '', $configContent) ?? $configContent;
+
+        if (\preg_match('/\boutput\s*:\s*[\x27\x22\x60](?:server|hybrid)[\x27\x22\x60]/', $stripped)) {
+            return 'ssr';
+        }
+
+        return 'static';
+    }
 }
diff --git a/src/Detection/Framework/Remix.php b/src/Detection/Framework/Remix.php
index 6b68c83..31f0bad 100644
--- a/src/Detection/Framework/Remix.php
+++ b/src/Detection/Framework/Remix.php
@@ -49,4 +49,17 @@ public function getOutputDirectory(): string
     {
         return './build';
     }
+
+    /**
+     * @return array<string>
+     */
+    public function getConfigFiles(): array
+    {
+        return ['package.json'];
+    }
+
+    public function getAdapter(string $configContent): string
+    {
+        return 'ssr';
+    }
 }
diff --git a/src/Detection/Framework/SvelteKit.php b/src/Detection/Framework/SvelteKit.php
index 0c35be1..331a295 100644
--- a/src/Detection/Framework/SvelteKit.php
+++ b/src/Detection/Framework/SvelteKit.php
@@ -49,4 +49,19 @@ public function getOutputDirectory(): string
     {
         return './build';
     }
+
+    /**
+     * @return array<string>
+     */
+    public function getConfigFiles(): array
+    {
+        return ['svelte.config.js', 'svelte.config.mjs', 'svelte.config.ts', 'package.json'];
+    }
+
+    public function getAdapter(string $configContent): string
+    {
+        $stripped = \preg_replace('/(?<!:)\/\/[^\n]*/', '', $configContent) ?? $configContent;
+
+        return \str_contains($stripped, '@sveltejs/adapter-static') ? 'static' : 'ssr';
+    }
 }
diff --git a/src/Detection/Framework/TanStackStart.php b/src/Detection/Framework/TanStackStart.php
index 921c82d..74c1af0 100644
--- a/src/Detection/Framework/TanStackStart.php
+++ b/src/Detection/Framework/TanStackStart.php
@@ -49,4 +49,23 @@ public function getOutputDirectory(): string
     {
         return './.output';
     }
+
+    /**
+     * @return array<string>
+     */
+    public function getConfigFiles(): array
+    {
+        return ['vite.config.ts', 'vite.config.js', 'vite.config.mjs'];
+    }
+
+    public function getAdapter(string $configContent): string
+    {
+        $stripped = \preg_replace('/(?<!:)\/\/[^\n]*/', '', $configContent) ?? $configContent;
+
+        if (!\preg_match('/\bprerender\b/', $stripped) || \preg_match('/\bprerender[\x27\x22]?\s*:\s*false\b/', $stripped)) {
+            return 'ssr';
+        }
+
+        return 'static';
+    }
 }
diff --git a/tests/unit/DetectorTest.php b/tests/unit/DetectorTest.php
index f180a00..42b4736 100644
--- a/tests/unit/DetectorTest.php
+++ b/tests/unit/DetectorTest.php
@@ -798,4 +798,56 @@ public function testFrameworkEdgeCases(string $assertion, array $files, string $
 
         $this->assertSame($framework, $detection->getName(), $assertion);
     }
+
+    public function testTanStackStartAdapterDetection(): void
+    {
+        $fw = new TanStackStart();
+
+        $this->assertSame('ssr', $fw->getAdapter('export default defineConfig({ plugins: [tanstackStart()] })'));
+        $this->assertSame('static', $fw->getAdapter('export default defineConfig({ plugins: [tanstackStart({ prerender: { routes: [\'/\'] } })] })'));
+        $this->assertSame('ssr', $fw->getAdapter('export default defineConfig({ plugins: [tanstackStart({ prerender: false })] })'));
+        $this->assertSame('ssr', $fw->getAdapter('export default defineConfig({ plugins: [tanstackStart({ "prerender": false })] })'));
+        $this->assertSame('ssr', $fw->getAdapter('// prerender: true' . "\n" . 'export default defineConfig({})'));
+        $this->assertSame('static', $fw->getAdapter('server: { url: "https://example.com" },' . "\n" . 'prerender: { routes: [\'/\'] }'));
+        $this->assertNotEmpty($fw->getConfigFiles());
+    }
+
+    public function testSvelteKitAdapterDetection(): void
+    {
+        $fw = new SvelteKit();
+
+        $this->assertSame('ssr', $fw->getAdapter('import adapter from \'@sveltejs/adapter-auto\'; export default { kit: { adapter: adapter() } }'));
+        $this->assertSame('static', $fw->getAdapter('import adapter from \'@sveltejs/adapter-static\'; export default { kit: { adapter: adapter() } }'));
+        $this->assertSame('static', $fw->getAdapter('{"dependencies":{"@sveltejs/adapter-static":"^3.0.0"}}'));
+        $this->assertSame('ssr', $fw->getAdapter('// import adapter from \'@sveltejs/adapter-static\'' . "\n" . 'import adapter from \'@sveltejs/adapter-auto\''));
+        $this->assertContains('package.json', $fw->getConfigFiles());
+        $this->assertNotEmpty($fw->getConfigFiles());
+    }
+
+    public function testAstroAdapterDetection(): void
+    {
+        $fw = new Astro();
+
+        $this->assertSame('static', $fw->getAdapter('export default defineConfig({ integrations: [] })'));
+        $this->assertSame('ssr', $fw->getAdapter('export default defineConfig({ output: \'server\', adapter: node({ mode: \'standalone\' }) })'));
+        $this->assertSame('ssr', $fw->getAdapter('export default defineConfig({ output: "server" })'));
+        $this->assertSame('ssr', $fw->getAdapter('export default defineConfig({ output: \'hybrid\' })'));
+        $this->assertSame('ssr', $fw->getAdapter('export default defineConfig({ output  :  \'server\' })'));
+        $this->assertSame('static', $fw->getAdapter('// output: \'server\'' . "\n" . 'export default defineConfig({})'));
+        $this->assertSame('ssr', $fw->getAdapter('site: "https://example.com",' . "\n" . 'output: "server"'));
+        $this->assertSame('ssr', $fw->getAdapter('export default defineConfig({ output: `server` })'));
+        $this->assertSame('ssr', $fw->getAdapter('export default defineConfig({ output: `hybrid` })'));
+        $this->assertNotEmpty($fw->getConfigFiles());
+    }
+
+    public function testRemixAdapterDetection(): void
+    {
+        $fw = new Remix();
+
+        $this->assertSame('ssr', $fw->getAdapter('{"dependencies":{"@remix-run/react":"^2.0.0"}}'));
+        $this->assertSame('ssr', $fw->getAdapter('{"dependencies":{"@remix-run/serve":"^2.0.0"}}'));
+        $this->assertSame('ssr', $fw->getAdapter('{"dependencies":{"@remix-run/node":"^2.0.0"}}'));
+        $this->assertSame('ssr', $fw->getAdapter(''));
+        $this->assertContains('package.json', $fw->getConfigFiles());
+    }
 }