feat: externalize apps/analysis to Gitea repos, add analysis table

- Migration 007: repo_url on apps table + analysis table with FTS5
- Analysis struct, parser, CRUD, validation, hash computation
- Selective purge: remote-only apps/analysis preserved across fn index
- CLI: fn app list/clone/pull, fn analysis list/clone/pull
- search/show/list now include analysis results
- Apps removed from git tracking (content lives in Gitea repos)
- .gitkeep for apps/ and analysis/ dirs
- Bash functions: jupyter analysis pipeline, shell utilities
- Browser domain: CDP functions moved from infra to browser

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

functions/browser/cdp_navigate.go

@@ -0,0 +1,30 @@
+package browser
+
+import (
+	"fmt"
+)
+
+// CdpNavigate navega a la URL indicada usando Page.navigate.
+// Espera a que la carga este confirmada via Page.loadEventFired antes de retornar.
+// El timeout de la navegacion es gestionado por Chrome internamente.
+func CdpNavigate(c *CDPConn, targetURL string) error {
+	if c == nil {
+		return fmt.Errorf("cdp navigate: conexion nula")
+	}
+
+	params := map[string]any{
+		"url": targetURL,
+	}
+
+	result, err := c.sendCDP("Page.navigate", params)
+	if err != nil {
+		return fmt.Errorf("cdp navigate: %w", err)
+	}
+
+	// Verificar que no hubo error de navegacion
+	if errText, ok := result["errorText"].(string); ok && errText != "" {
+		return fmt.Errorf("cdp navigate: error navegando a %q: %s", targetURL, errText)
+	}
+
+	return nil
+}