Cinematic robotic snake with thermal scan, strike, teardown, and reassembly

[Note: the creator shared a partial prompt. Wording below is theirs.] GOAL: Build a 20-second 1920×1080, 30 fps cinematic video of a robotic snake called "Serpens SN-9", rendered with Three.js and exported as MP4 with sound. MOTION: STYLE - Pure black background (#050506) with a glowing orange grid floor that fades into darkness, floating dust particles, soft fog, vignette and subtle scanlines. - Bloom post-processing. Palette: graphite-black glossy plating, glowing orange (#ff5a1f) seams, cyan (#3fe0ff) accents. - An engineering-simulator HUD overlay in HTML/CSS (JetBrains Mono + Space Grotesk): - top bar: orange logo tile, title "Serpens SN-9 /", subtitle "Robotic serpent · 42-vertebra strike drone", servo-bus load meter, run ID, runtime, status, operator - left panels: strike force with live sparkline, power with battery cells, "spine load" bars S1–S8 that show a wave travelling down the body - right panels: head-attitude dial, assemblies chips, display-mode chips, subsystems list with live status tags - big orange "operating mode" label bottom-left, and a timeline scrubber with chapter markers at the bottom - every panel value animates in sync with the action MODEL - 42 vertebra segments, tapered from neck to tail, plus a glowing tail tip. - Each segment: glossy shell with a hex panel texture, a glowing orange joint ring, a belly plate, a dorsal ridge with a glowing stripe, and side lights on some segments. - Head: wedge-shaped skull, glowing slit eyes, cyan heat-pit sensors, a hinged lower jaw, two folding steel fangs and a forked tongue that flicks. TIMELINE 0:00 SYSTEM CHECK: the snake starts coiled and unwinds segment by segment. 0:03 SLITHERING: true serpentine locomotion. Every segment follows the exact path the head took. Tracking camera. 0:06 THERMAL SCAN: head lifts and sweeps side to side, a thermal colour filter fades in, cyan scan rings pulse across the floor, and a "LOCK" reticle locks onto the target. 0:09 STRIKE: the front body rears into an S-curve, tail rattles, a "VENOM PRIMED" warning flashes, fangs swing out 90°, jaw opens. Then a lunge with a flash, camera shake, a bloom spike and a spray of glowing green venom particles. 0:11 TEARDOWN: the snake forms a ring on a glowing turntable and explodes into 42 vertebrae. Electric arcs flicker between neighbouring parts, labelled callouts appear, and the turntable spins a full turn. 0:15 REASSEMBLY: vertebrae click back one by one, each with a burst of orange sparks. 0:17 ESCAPE: a full-amplitude wave burst, and it leaves the frame at 6 m/s. The mode switches to "TARGET LOST". CAMERA Smooth Catmull-Rom camera path: a wide shot of the coil, a tracking shot, a close-up on the head for the scan, a low front angle for the strike, a high wide orbit for the teardown, and a wide shot for the escape. SOUND Generated in code and synced to every event: segment scrape and friction during the slither, hiss, tail rattle, strike impact, venom spray, electric-arc crackle, reassembly clicks and sparks, UI blips on each mode change, a deep synth bass and a l