feat: add concise bilingual overviews for all 254 exercises

- Fix ExerciseDB data quality (remove empty calf raise, fix Wall Sit,
  correct muscles, typos)
- Rewrite verbose AI-generated English overviews to concise one-sentence
  descriptions
- Add German translations for all 199 EDB exercises (name, instructions,
  overview)
- Add English and German overviews for 55 static-only exercises
- Display overview above instructions on exercise detail page

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "homepage",
-	"version": "1.17.2",
+	"version": "1.18.0",
 	"private": true,
 	"type": "module",
 	"scripts": {

src/lib/data/exercisedb-map.ts

@@ -91,7 +91,7 @@ export const exerciseDbMap: Record<string, string> = {
 	'exr_41n2hqw5LsDpeE2i': 'elbow-flexor-stretch',                // Elbow Flexor Stretch
 	'exr_41n2hy8pKXtzuBh8': 'elbow-up-and-down-dynamic-plank',     // Elbow Up and Down Dynamic Plank
 	'exr_41n2hKZmyYXB2UL4': 'elbows-back-stretch',                 // Elbows Back Stretch
-	'exr_41n2hNfaYkEKLQHK': 'elevated-push-up',                    // Elevanted Push-Up
+	'exr_41n2hNfaYkEKLQHK': 'elevated-push-up',                    // Elevated Push-Up
 	'exr_41n2hfa11fPnk8y9': 'elliptical-machine-walk',             // Elliptical Machine Walk (MACHINE)
 	'exr_41n2hpTMDhTxYkvi': 'elliptical-machine-walk-alt',         // Elliptical Machine Walk (variant)
 	'exr_41n2hH6VGNz6cNtv': 'extension-inclination-neck-stretch',  // Extension And Inclination Neck Stretch
@@ -172,7 +172,7 @@ export const exerciseDbMap: Record<string, string> = {
 	'exr_41n2hd78zujKUEWK': 'single-leg-squat',                    // Single Leg Squat
 	'exr_41n2hsSnmS946i2k': 'single-leg-squat-with-support',       // Single Leg Squat with Support
 	'exr_41n2hw8nSYiaCXW1': 'sissy-squat',                         // Sissy Squat
-	'exr_41n2hvjrFJ2KjzGm': 'sit',                                 // Sit
+	'exr_41n2hvjrFJ2KjzGm': 'wall-sit',                             // Wall Sit
 	'exr_41n2hnFD2bT6sruf': 'sliding-floor-bridge-curl-towel',     // Sliding Floor Bridge Curl on Towel
 	'exr_41n2hadPLLFRGvFk': 'sliding-floor-pulldown-towel',        // Sliding Floor Pulldown on Towel
 	'exr_41n2hSxsNAV8tGS6': 'split-squat',                         // Split Squat
@@ -183,7 +183,7 @@ export const exerciseDbMap: Record<string, string> = {
 	'exr_41n2hSq88Ni3KCny': 'standing-alternate-arms-circling',    // Standing Alternate Arms Circling
 	'exr_41n2hUBVSgXaKhau': 'standing-arms-circling',              // Standing Arms Circling
 	'exr_41n2hynD9srC1kY7': 'standing-arms-flinging',              // Standing Arms Flinging
-	'exr_41n2hzfRXQDaLYJh': 'standing-calf-raise',                 // Standing Calf Raise (bodyweight)
+	// exr_41n2hzfRXQDaLYJh removed — empty Standing Calf Raise duplicate (no instructions/overview)
 	'exr_41n2hdWu3oaCGdWT': 'standing-calf-raise-dumbbell',        // Standing Calf Raise (DUMBBELL)
 	'exr_41n2hvzxocyjoGgL': 'standing-leg-calf-raise-barbell',     // Standing Leg Calf Raise (BARBELL)
 	'exr_41n2huXeEFSaqo4G': 'standing-one-arm-circling',           // Standing One Arm Circling

src/lib/data/exercisedb.ts

@@ -8,6 +8,8 @@ import { localizeExercise, translateTerm, getExerciseMetrics, METRIC_PRESETS } f
 import { exerciseDbMap, slugToExerciseDbId } from './exercisedb-map';
 import { edbMuscleToSimple, edbMusclesToGroups, edbBodyPartToSimple, edbEquipmentToSimple } from './muscleMap';
 import rawData from './exercisedb-raw.json';
+import { edbTranslationsDe } from './exercisedb-translations-de';
+import { staticOverviews } from './static-overviews';
 import { fuzzyScore } from '$lib/js/fuzzy';
 
 // Access static exercises via the exported map
@@ -66,6 +68,7 @@ function edbToEnriched(edb: EdbRawExercise, slug: string, staticEx?: Exercise):
 	const secondaryGroups = edbMusclesToGroups(edb.secondaryMuscles ?? []);
 
 	// Base exercise fields — prefer static data when available
+	const de = edbTranslationsDe[slug];
 	const base: Exercise = staticEx
 		? { ...staticEx }
 		: {
@@ -76,6 +79,7 @@ function edbToEnriched(edb: EdbRawExercise, slug: string, staticEx?: Exercise):
 			target: targetGroups[0] ?? 'full body',
 			secondaryMuscles: secondaryGroups.filter(g => !targetGroups.includes(g)),
 			instructions: edb.instructions ?? [],
+			...(de ? { de } : {}),
 		};
 
 	// For static exercises, merge in EDB secondary muscles if richer
@@ -113,7 +117,7 @@ for (const ex of staticExercises) {
 		allEnriched.set(ex.id, {
 			...ex,
 			edbId: null,
-			overview: null,
+			overview: staticOverviews[ex.id] ?? null,
 			tips: [],
 			variations: [],
 			targetMusclesDetailed: [],
@@ -129,10 +133,11 @@ const allExercisesArray = [...allEnriched.values()];
 /** Localize an enriched exercise */
 export function localizeEnriched(e: EnrichedExercise, lang: 'en' | 'de'): LocalizedEnrichedExercise {
 	const localized = localizeExercise(e, lang);
+	const de = lang === 'de' ? edbTranslationsDe[e.id] : undefined;
 	return {
 		...localized,
 		edbId: e.edbId,
-		overview: e.overview,
+		overview: (de?.overview) ?? e.overview,
 		tips: e.tips,
 		variations: e.variations,
 		targetMusclesDetailed: e.targetMusclesDetailed,

src/lib/data/static-overviews.ts

@@ -0,0 +1,58 @@
+/** English overviews for static-only exercises (not in ExerciseDB) */
+export const staticOverviews: Record<string, string> = {
+	'ab-wheel-rollout': 'Anti-extension core exercise using an ab wheel to target the entire abdominal wall.',
+	'bench-press-close-grip-barbell': 'Barbell bench press with narrow grip to shift emphasis from the chest to the triceps.',
+	'bench-press-dumbbell': 'Dumbbell press on a flat bench targeting the chest, front deltoids, and triceps with independent arm movement.',
+	'bent-over-row-barbell': 'Barbell row in a bent-over position targeting the lats, traps, and rear deltoids.',
+	'bicep-curl-barbell': 'Barbell curl targeting the biceps for arm strength and size.',
+	'bicep-curl-dumbbell': 'Dumbbell curl targeting the biceps with independent arm movement for balanced development.',
+	'cable-crossover': 'Cable exercise bringing the handles together to isolate the chest with constant tension.',
+	'cable-crunch': 'Kneeling cable exercise targeting the abdominals with adjustable resistance.',
+	'cable-curl': 'Cable curl targeting the biceps with constant tension throughout the range of motion.',
+	'calf-raise-machine': 'Machine calf raise targeting the gastrocnemius and soleus for lower leg strength.',
+	'chest-fly-dumbbell': 'Dumbbell fly on a flat bench isolating the chest through a wide arc of motion.',
+	'clean-and-press-barbell': 'Compound barbell lift combining a clean and overhead press for full-body power.',
+	'concentration-curl-dumbbell': 'Seated single-arm dumbbell curl for strict biceps isolation.',
+	'cycling-indoor': 'Stationary bike cardio for endurance and lower body conditioning with adjustable intensity.',
+	'cycling-outdoor': 'Outdoor cycling for cardiovascular fitness, leg strength, and endurance.',
+	'deadlift-barbell': 'Fundamental barbell lift targeting the entire posterior chain for full-body strength.',
+	'decline-bench-press-barbell': 'Barbell press on a decline bench emphasizing the lower chest, triceps, and front deltoids.',
+	'decline-crunch': 'Ab crunch on a decline bench to increase resistance and target the upper abdominals.',
+	'elliptical': 'Low-impact machine cardio targeting the full body with minimal joint stress.',
+	'face-pull-cable': 'Cable exercise targeting the rear deltoids, traps, and rotator cuff for shoulder health.',
+	'farmers-walk': 'Loaded carry targeting grip strength, core stability, and full-body conditioning.',
+	'flat-leg-raise': 'Lying leg raise targeting the lower abs and hip flexors.',
+	'front-squat-barbell': 'Barbell squat with front rack position emphasizing the quads and core.',
+	'hack-squat-machine': 'Machine squat variation targeting the quads with back support and guided movement.',
+	'hammer-curl-dumbbell': 'Dumbbell curl with neutral grip targeting the biceps, brachialis, and forearms.',
+	'hanging-leg-raise': 'Hanging exercise targeting the lower abs and hip flexors through leg raises.',
+	'hiking': 'Outdoor cardiovascular activity building leg endurance and overall fitness on varied terrain.',
+	'incline-bench-press-barbell': 'Barbell press on an incline bench targeting the upper chest, front deltoids, and triceps.',
+	'incline-bench-press-dumbbell': 'Dumbbell press on an incline bench targeting the upper chest and front deltoids.',
+	'incline-row-dumbbell': 'Dumbbell row on an incline bench for strict upper back isolation with chest support.',
+	'kickback-dumbbell': 'Dumbbell kickback targeting the triceps through elbow extension behind the body.',
+	'lat-pulldown-cable': 'Cable pulldown targeting the lats and upper back for vertical pulling strength.',
+	'lateral-raise-cable': 'Cable raise to the side targeting the lateral deltoids for shoulder width.',
+	'leg-curl-machine': 'Machine exercise isolating the hamstrings through knee flexion.',
+	'leg-extension-machine': 'Machine exercise isolating the quadriceps through knee extension.',
+	'leg-press-machine': 'Machine press targeting the quads, glutes, and hamstrings with guided resistance.',
+	'nordic-hamstring-curl': 'Bodyweight eccentric exercise for extreme hamstring strengthening and injury prevention.',
+	'overhead-press-barbell': 'Barbell press overhead targeting the anterior deltoids, triceps, and upper chest.',
+	'overhead-tricep-extension-dumbbell': 'Dumbbell extension overhead targeting the long head of the triceps.',
+	'preacher-curl-barbell': 'Barbell curl on a preacher bench to isolate the biceps and limit momentum.',
+	'romanian-deadlift-barbell': 'Barbell hip hinge targeting the hamstrings, glutes, and lower back with a stretch emphasis.',
+	'rowing-machine': 'Machine-based full-body cardio targeting the back, legs, and arms in a pulling motion.',
+	'rowing-outdoor': 'On-water rowing for full-body cardiovascular fitness and upper body pulling strength.',
+	'running': 'Cardiovascular exercise for endurance, leg strength, and overall fitness.',
+	'seated-row-cable': 'Cable row performed seated to target the mid-back, lats, and rear deltoids.',
+	'shrug-barbell': 'Barbell shrug targeting the upper traps for neck and shoulder development.',
+	'shrug-dumbbell': 'Dumbbell shrug targeting the upper traps with independent arm movement.',
+	'skullcrusher-barbell': 'Barbell lying extension targeting the triceps by lowering the bar toward the forehead.',
+	'squat-barbell': 'Fundamental barbell squat targeting the quads, glutes, and hamstrings for lower body strength.',
+	'stair-climber': 'Machine cardio simulating stair climbing for leg strength and cardiovascular endurance.',
+	'swimming': 'Full-body low-impact cardio exercise improving endurance, strength, and flexibility.',
+	't-bar-row': 'Barbell row using a landmine setup to target the lats and mid-back with heavy loads.',
+	'tricep-pushdown-cable': 'Cable pushdown targeting the triceps for arm definition and pressing strength.',
+	'upright-row-barbell': 'Barbell pull from hips to chin targeting the lateral deltoids and upper traps.',
+	'walking': 'Low-impact cardiovascular exercise for general health and active recovery.',
+};

src/routes/fitness/[exercises=fitnessExercises]/[id]/+page.svelte

@@ -151,6 +151,11 @@
 				</div>
 			{/if}
 
+			<!-- Overview -->
+			{#if exercise?.overview}
+				<p class="overview">{exercise.overview}</p>
+			{/if}
+
 			<!-- Instructions -->
 			{#if exercise?.localInstructions?.length}
 				<h3>{t('instructions', lang)}</h3>
@@ -346,6 +351,12 @@
 		color: var(--color-text-tertiary);
 	}
 
+	.overview {
+		font-size: 0.85rem;
+		line-height: 1.6;
+		color: var(--color-text-secondary);
+		margin: 0.25rem 0 0.5rem;
+	}
 	h3 {
 		font-size: 1rem;
 		margin: 0.75rem 0 0.4rem;