diff --git a/src/main.ts b/src/main.ts
index ad32f96..ac85ed9 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -13,6 +13,8 @@ import { LogfireSettingTab } from './ui/settings-tab';
 import { InitialScanModal } from './ui/initial-scan-modal';
 import { StatusBar } from './ui/status-bar';
 import { EventStreamView, EVENT_STREAM_VIEW_TYPE } from './ui/event-stream-view';
+import { registerLogfireBlock, registerLogfireSqlBlock, cleanupAllRefreshTimers } from './query/processor';
+import { QueryModal } from './query/query-modal';
 
 export default class LogfirePlugin extends Plugin {
   settings!: LogfireSettings;
@@ -90,6 +92,14 @@ export default class LogfirePlugin extends Plugin {
     this.statusBar = new StatusBar(this);
     this.statusBar.start();
 
+    // Query: Code-Block-Prozessoren
+    registerLogfireBlock(this.db, (lang, handler) => {
+      this.registerMarkdownCodeBlockProcessor(lang, handler);
+    });
+    registerLogfireSqlBlock(this.db, (lang, handler) => {
+      this.registerMarkdownCodeBlockProcessor(lang, handler);
+    });
+
     // Ribbon icon
     this.addRibbonIcon('activity', 'Logfire: Event-Stream', () => {
       this.activateEventStream();
@@ -125,6 +135,7 @@ export default class LogfirePlugin extends Plugin {
   async onunload(): Promise<void> {
     console.log('[Logfire] Entlade Plugin...');
 
+    cleanupAllRefreshTimers();
     this.statusBar?.destroy();
     this.stopTracking();
 
@@ -271,6 +282,14 @@ export default class LogfirePlugin extends Plugin {
       },
     });
 
+    this.addCommand({
+      id: 'open-query',
+      name: 'Query-Editor \u00f6ffnen',
+      callback: () => {
+        new QueryModal(this.app, this.db).open();
+      },
+    });
+
     this.addCommand({
       id: 'debug-info',
       name: 'Debug-Info',
diff --git a/styles.css b/styles.css
index 18f9042..6c23a8a 100644
--- a/styles.css
+++ b/styles.css
@@ -314,3 +314,368 @@
   font-size: 12px;
   letter-spacing: 0.02em;
 }
+
+/* ═══════════════════════════════════════════════════════════════════════════
+   Query Modal — SQL Console
+   ═══════════════════════════════════════════════════════════════════════════ */
+
+.logfire-query-modal {
+  font-family: var(--font-monospace);
+}
+
+.logfire-query-modal h2 {
+  font-size: 16px;
+  font-weight: 700;
+  letter-spacing: -0.01em;
+  margin-bottom: 10px;
+  color: var(--text-normal);
+}
+
+/* ---------------------------------------------------------------------------
+   Query Modal — Toolbar
+   --------------------------------------------------------------------------- */
+
+.logfire-qm-toolbar {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 8px;
+  margin-bottom: 8px;
+}
+
+.logfire-qm-toolbar button {
+  padding: 3px 10px;
+  border: 1px solid var(--background-modifier-border);
+  border-radius: 4px;
+  background: var(--background-primary);
+  color: var(--text-muted);
+  font-family: var(--font-monospace);
+  font-size: 11px;
+  letter-spacing: 0.02em;
+  text-transform: uppercase;
+  cursor: pointer;
+  transition: background 100ms ease, color 100ms ease, border-color 100ms ease;
+}
+
+.logfire-qm-toolbar button:hover {
+  background: var(--background-modifier-hover);
+  color: var(--text-normal);
+  border-color: var(--text-faint);
+}
+
+.logfire-qm-hint {
+  color: var(--text-faint);
+  font-size: 10px;
+  letter-spacing: 0.03em;
+  text-transform: uppercase;
+}
+
+/* ---------------------------------------------------------------------------
+   Query Modal — Editor
+   --------------------------------------------------------------------------- */
+
+.logfire-qm-editor {
+  display: block;
+  width: 100%;
+  min-height: 100px;
+  max-height: 200px;
+  padding: 8px 10px;
+  border: 1px solid var(--background-modifier-border);
+  border-radius: 4px;
+  background: var(--background-primary);
+  color: var(--text-normal);
+  font-family: var(--font-monospace);
+  font-size: 12px;
+  line-height: 1.5;
+  resize: vertical;
+  outline: none;
+  tab-size: 2;
+  transition: border-color 120ms ease;
+}
+
+.logfire-qm-editor:focus {
+  border-color: var(--interactive-accent);
+}
+
+.logfire-qm-editor::placeholder {
+  color: var(--text-faint);
+  font-style: italic;
+}
+
+/* ---------------------------------------------------------------------------
+   Query Modal — Buttons
+   --------------------------------------------------------------------------- */
+
+.logfire-qm-buttons {
+  display: flex;
+  gap: 6px;
+  margin-top: 8px;
+  margin-bottom: 12px;
+  flex-wrap: wrap;
+}
+
+.logfire-qm-buttons button {
+  padding: 4px 12px;
+  border: 1px solid var(--background-modifier-border);
+  border-radius: 4px;
+  background: var(--background-primary);
+  color: var(--text-muted);
+  font-family: var(--font-monospace);
+  font-size: 11px;
+  letter-spacing: 0.02em;
+  text-transform: uppercase;
+  cursor: pointer;
+  transition: background 100ms ease, color 100ms ease, border-color 100ms ease;
+}
+
+.logfire-qm-buttons button:hover {
+  background: var(--background-modifier-hover);
+  color: var(--text-normal);
+  border-color: var(--text-faint);
+}
+
+.logfire-qm-buttons button.mod-cta {
+  background: var(--interactive-accent);
+  color: var(--text-on-accent);
+  border-color: var(--interactive-accent);
+}
+
+.logfire-qm-buttons button.mod-cta:hover {
+  filter: brightness(1.1);
+}
+
+/* ---------------------------------------------------------------------------
+   Query Modal — Results
+   --------------------------------------------------------------------------- */
+
+.logfire-qm-results {
+  max-height: 360px;
+  overflow: auto;
+  border: 1px solid var(--background-modifier-border);
+  border-radius: 4px;
+  background: var(--background-primary);
+}
+
+.logfire-qm-results:empty {
+  display: none;
+}
+
+.logfire-qm-results::-webkit-scrollbar {
+  width: 6px;
+  height: 6px;
+}
+
+.logfire-qm-results::-webkit-scrollbar-track {
+  background: transparent;
+}
+
+.logfire-qm-results::-webkit-scrollbar-thumb {
+  background: var(--background-modifier-border);
+  border-radius: 3px;
+}
+
+.logfire-qm-results::-webkit-scrollbar-thumb:hover {
+  background: var(--text-faint);
+}
+
+.logfire-qm-truncated {
+  padding: 4px 10px;
+  font-size: 10px;
+  color: var(--text-faint);
+  letter-spacing: 0.02em;
+  text-transform: uppercase;
+  border-top: 1px solid var(--background-modifier-border);
+}
+
+/* ═══════════════════════════════════════════════════════════════════════════
+   Data Table — Inline Query Results
+   ═══════════════════════════════════════════════════════════════════════════ */
+
+.logfire-table {
+  width: 100%;
+  border-collapse: collapse;
+  font-family: var(--font-monospace);
+  font-size: 11.5px;
+  line-height: 1.4;
+  font-variant-numeric: tabular-nums;
+}
+
+.logfire-table thead th {
+  padding: 5px 10px;
+  text-align: left;
+  font-weight: 600;
+  font-size: 10px;
+  letter-spacing: 0.04em;
+  text-transform: uppercase;
+  color: var(--text-muted);
+  background: var(--background-secondary);
+  border-bottom: 2px solid var(--background-modifier-border);
+  position: sticky;
+  top: 0;
+  z-index: 1;
+  white-space: nowrap;
+}
+
+.logfire-table tbody td {
+  padding: 3px 10px;
+  color: var(--text-normal);
+  border-bottom: 1px solid color-mix(in srgb, var(--background-modifier-border) 50%, transparent);
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  max-width: 300px;
+}
+
+.logfire-table tbody tr:nth-child(even) {
+  background: color-mix(in srgb, var(--background-secondary) 30%, transparent);
+}
+
+.logfire-table tbody tr:hover {
+  background: var(--background-secondary);
+}
+
+.logfire-table tbody tr:hover td {
+  border-bottom-color: var(--background-modifier-border);
+}
+
+/* ---------------------------------------------------------------------------
+   Timeline
+   --------------------------------------------------------------------------- */
+
+.logfire-timeline {
+  list-style: none;
+  padding: 0;
+  margin: 0;
+  font-family: var(--font-monospace);
+  font-size: 11.5px;
+  line-height: 1.5;
+}
+
+.logfire-timeline li {
+  padding: 2px 10px;
+  color: var(--text-normal);
+  border-left: 2px solid var(--background-modifier-border);
+  margin-left: 6px;
+  transition: border-color 80ms ease;
+}
+
+.logfire-timeline li:hover {
+  border-left-color: var(--interactive-accent);
+  background: color-mix(in srgb, var(--background-secondary) 40%, transparent);
+}
+
+/* ---------------------------------------------------------------------------
+   Summary — Key-Value Readout
+   --------------------------------------------------------------------------- */
+
+.logfire-summary {
+  font-family: var(--font-monospace);
+  font-size: 12px;
+  line-height: 1.6;
+  padding: 6px 0;
+}
+
+.logfire-summary > div {
+  padding: 2px 10px;
+  border-bottom: 1px solid color-mix(in srgb, var(--background-modifier-border) 40%, transparent);
+}
+
+.logfire-summary > div:last-child {
+  border-bottom: none;
+}
+
+.logfire-summary strong {
+  color: var(--text-muted);
+  font-weight: 600;
+  letter-spacing: 0.01em;
+}
+
+/* ---------------------------------------------------------------------------
+   Metric — Single Value Readout
+   --------------------------------------------------------------------------- */
+
+.logfire-metric {
+  font-family: var(--font-monospace);
+  font-variant-numeric: tabular-nums;
+  color: var(--text-accent);
+  font-weight: 700;
+  letter-spacing: -0.02em;
+  padding: 8px 10px;
+  line-height: 1;
+}
+
+/* ---------------------------------------------------------------------------
+   List
+   --------------------------------------------------------------------------- */
+
+.logfire-list {
+  list-style: none;
+  padding: 0;
+  margin: 0;
+  font-family: var(--font-monospace);
+  font-size: 11.5px;
+  line-height: 1.5;
+}
+
+.logfire-list li {
+  padding: 2px 10px;
+  color: var(--text-normal);
+  border-bottom: 1px solid color-mix(in srgb, var(--background-modifier-border) 40%, transparent);
+}
+
+.logfire-list li:last-child {
+  border-bottom: none;
+}
+
+.logfire-list li:hover {
+  background: color-mix(in srgb, var(--background-secondary) 40%, transparent);
+}
+
+/* ---------------------------------------------------------------------------
+   Heatmap — Text-Based Bar Readout
+   --------------------------------------------------------------------------- */
+
+.logfire-heatmap {
+  font-family: var(--font-monospace);
+  font-size: 11px;
+  line-height: 1.6;
+  padding: 4px 0;
+  font-variant-numeric: tabular-nums;
+}
+
+.logfire-heatmap > div {
+  padding: 1px 10px;
+  color: var(--text-normal);
+  white-space: pre;
+  transition: background 60ms ease;
+}
+
+.logfire-heatmap > div:hover {
+  background: color-mix(in srgb, var(--background-secondary) 40%, transparent);
+}
+
+/* ---------------------------------------------------------------------------
+   Empty State & Error
+   --------------------------------------------------------------------------- */
+
+.logfire-empty {
+  padding: 12px 10px;
+  color: var(--text-faint);
+  font-family: var(--font-monospace);
+  font-size: 11.5px;
+  font-style: italic;
+}
+
+.logfire-error {
+  padding: 8px 10px;
+  margin: 0;
+  font-family: var(--font-monospace);
+  font-size: 11.5px;
+  line-height: 1.5;
+  color: var(--text-error, #e5534b);
+  background: color-mix(in srgb, var(--text-error, #e5534b) 8%, var(--background-primary));
+  border-left: 3px solid var(--text-error, #e5534b);
+  border-radius: 0 4px 4px 0;
+  white-space: pre-wrap;
+  word-break: break-word;
+}