Add the free-weight canon and bodyweight staples (16 exercises)

Squat/lunge: Barbell Squat, Goblet Squat, Bodyweight Squat, Lunge.
Bench station: Bench Press, Incline Bench Press, Dumbbell Bench Press,
Dumbbell Fly (the fly authors the face-on camera for its frontal arc).
Dumbbell rack: Dumbbell Row, Dumbbell Shoulder Press, Dumbbell Curl,
Lateral Raise - first uses of the dumbbell prop. Bodyweight: Push-Up,
Pull-Up, Crunch, Dip.

Claude-Session: https://claude.ai/code/session_01HJDQQDA9QdP8zByg43H5v3

Exercise Library/Bench Press/info.md

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+# Bench Press
+
+The barbell press — lying on the flat bench, lower the bar to the chest
+and press it back to straight arms.
+
+- **Category:** Main circuit
+- **Type:** Free-weight horizontal press
+- **Targets:** Chest, front delts, triceps
+- **Prescription:** 4 × 6–8
+
+## Setup
+
+Lie with eyes under the bar, feet flat on the floor, shoulder blades
+pinched back and down. Grip a little wider than shoulder-width and
+unrack to straight arms over the shoulders.
+
+## Execution
+
+1. Lower the bar under control to the mid-chest, elbows about 45° from
+   the body.
+2. Touch lightly — no bounce.
+3. Press back up and slightly toward the face to lockout over the
+   shoulders.
+
+## Cues
+
+- Shoulder blades stay pinched against the bench the whole set.
+- Wrists stacked over elbows; bar sits low in the palm.
+- Feet drive quietly into the floor.
+
+## Common Mistakes
+
+- Bouncing the bar off the chest.
+- Elbows flared straight out at 90°.
+- Hips lifting off the bench.
+
+## Progression
+
+Add small plates while every rep touches and locks out; a spotter or
+safety pins once the loads get honest.