[REFERENCES] @Image 1 defines the complete academy geography: street, main gate, entrance court, in

[REFERENCES] @Image 1 defines the complete academy geography: street, main gate, entrance court, inner gate, raised threshold, main courtyard, side arcades and rear training hall. @Image 2 defines the wet street façade, granite stairs, wooden entrance doors and neighboring shophouses. @Image 3 defines the continuous axis from the main gate to the rear training hall. Preserve all doors, levels and walking directions. @Image 4 defines the main courtyard, rear hall, school plaque, arcades, stone paving and lighting. @Image 5 defines only the Wing Chun pupils’ warm-gray jackets, black trousers and black cloth shoes. @Image 6 defines only the Hung Gar pupils’ indigo-charcoal uniforms and oxblood-red sashes. @Image 7 defines the Wing Chun master’s identity, lean physique and ivory-white costume. @Image 8 defines the Hung Gar challenger’s identity, powerful physique, charcoal costume and crimson sash. [GOAL] Generate Part 1 of a two-part, 60-second historical Hong Kong Kung Fu film. This 30-second section establishes the academy, introduces the challenge and ends immediately before combat. Dialogue language: authentic Hong Kong Cantonese. Natural synchronized speech. No subtitles, captions, calligraphy or graphic text. [GEOGRAPHY AND BLOCKING] The main gate is the southern entrance. Immediately behind it is the first outdoor training court. The Hung Gar challenger remains near the southern entrance, just inside the main gate. He does not advance beyond the inner threshold. The Wing Chun master begins in the opposite direction, deep inside the northern rear training hall. The main courtyard and raised threshold separate them. Three Hung Gar pupils remain behind their challenger near the gate. Three Wing Chun pupils begin training in the central courtyard. One named Wing Chun disciple, <Senior Disciple>, carries the warning from the courtyard to the master. Preserve this north-south relationship throughout. No teleportation or reversed entrances. [0–6 SECONDS — APPROACH] Begin with a wide elevated establishing shot. The academy façade occupies the upper half of the frame. The wet street runs below it in the foreground. The Hung Gar challenger from @Image 8 walks through the street toward the school. His three pupils from @Image 6 follow two steps behind in a disciplined triangular formation. The challenger holds a sealed red challenge letter in his right hand. His gaze remains fixed on the academy entrance. Hold the wide view long enough to establish the school above, the approaching group below and the granite stairs connecting them. When the challenger reaches the stairs, begin a slow descending crane and lateral track following his movement toward the gate. Cut low when his foot touches the first stair. Track backward as he climbs, keeping the challenger, his pupils and the entrance readable. He crosses through the main doors. [6–11 SECONDS — THE INTRUSION] Cut to a wide shot from inside the first training court, looking back toward the main gate. The challenger enters and stops three paces inside the doors. His three pupils stop behind him in a shallow formation. He must remain near the entrance. He does not cross the raised inner threshold. Three Wing Chun pupils training farther inside notice the visitors and stop together. The challenger places the sealed red letter on a wooden stand beside the entrance, then looks through the open inner gate toward the distant school plaque. Use a medium three-quarter view of his still posture. No exaggerated sneer or theatrical gesturing. The Senior Disciple recognizes the formal challenge, looks from the letter to the challenger, then turns toward the rear hall. [11–16 SECONDS — THE WARNING] Follow the Senior Disciple from behind as he moves quickly north through the main courtyard toward the rear training hall. His path must follow the entrance axis established by @Image 3. Use one lateral wide as he crosses the courtyard, then cut ahead of him as he climbs the rear hall steps. Inside the rear hall, the Wing Chun master stands near a wooden training table, facing partly away from the entrance. The school plaque hangs behind him. The disciple stops at a respectful distance, gives a short fist-and-palm salute and says with controlled urgency: {師父，外面有人嚟踢館。} The master’s hand stops on the object he was arranging. He turns his eyes toward the courtyard before turning his body. No panic, shouting or repeated gestures. [16–21 SECONDS — THE MASTER APPEARS] The master walks out of the rear hall with the Senior Disciple following one pace behind. Use a frontal medium-wide shot tracking backward as they descend into the courtyard. The Wing Chun pupils move beneath the left arcade, clearing the central fighting space. Cut to a long symmetrical view down the courtyard axis. The master stops at the northern side of the inner threshold. The challenger remains at the southern side near the main gate. They face each other across the courtyard. The challenger is screen-right; the master is screen-left. The plaque remains visible behind the master. The red challenge letter remains near the entrance beside the challenger. [21–24 SECONDS — THE QUESTION] Use a medium shot of the Wing Chun master from the challenger’s side of the courtyard. Keep part of the challenger’s dark shoulder soft in the foreground. The master looks briefly at the red letter, then directly at the challenger. In a calm, normal speaking voice, he asks: {點解要嚟踢館？} Cut only after the question is complete. [24–28 SECONDS — THE REASON] Reverse to a matching medium shot of the challenger. Keep the master’s ivory shoulder soft in the foreground. The challenger glances past the master toward the school plaque. He wants the master to understand that reputation, not personal hatred, brought him here. In a low, measured Cantonese voice, he replies: {你哋詠春館名聲最盛。打贏你，我哋洪拳館自然揚名。} He finishes without smiling or raising his voice. His pupils remain motionless behind him. [28–30 SECONDS — EDITING HANDLE] Cut to a locked symmetrical full-body wide shot. For two complete seconds, nobody walks, speaks, salutes or changes stance. The master stands at the northern edge of the main courtyard, screen-left, facing screen-right. The challenger stands near the southern entrance, screen-right, facing screen-left. The raised threshold and open fighting space remain between them. Wing Chun pupils remain beneath the left arcade. Hung Gar pupils remain near the right side of the entrance. The challenge letter stays on the wooden stand. The plaque stays behind the master. Both men maintain silent eye contact. Only natural breathing, slight clothing movement and dripping rainwater continue. Do not move the camera during these final two seconds. This exact tableau is the continuity frame for Part 2. [STYLE AND CONSISTENCY] Prestigious 1930s Hong Kong martial-arts film. Real Lingnan architecture, damp stone, soft overcast daylight and restrained cinematic contrast. Every camera move follows a character, reveals geography or marks a change in power. Never cross the 180-degree axis. No white cyclorama, visible technique names, ink graphics, random camera orbiting, exaggerated acting, fighting or physical contact during Part 1. End on the locked two-second tableau. [REFERENCE ROLES] @Video 1 is the source video to extend forward. It defines the complete preceding story, character identities, costumes, academy layout, object positions, lighting, sound environment, screen direction and final confrontation tableau. @Image 4 defines supporting details of the courtyard architecture, rear hall, plaque, arcades, paving and lighting. It must not override the final frame of @Video 1. @Image 5 defines only the Wing Chun pupils’ warm-gray uniforms. @Image 6 defines only the Hung Gar pupils’ indigo-charcoal uniforms and oxblood-red sashes. @Image 7 reinforces the Wing Chun master’s identity, lean physique and ivory-white costume. @Image 8 reinforces the Hung Gar challenger’s identity, powerful physique, charcoal costume and crimson sash. The additional images supplement visual consistency only. @Video 1 controls the extension boundary and opening composition. [FORWARD EXTENSION] @Video 1 is the source video to extend forward. Extend @Video 1 forward. The first frame of the extended segment directly continues from the last frame of @Video 1. Maintain continuity in both masters’ exact poses, orientation, gaze and distance; the pupils’ positions; the red challenge letter; the fixed school plaque; the threshold; the courtyard architecture; the background and spatial relationships; the locked camera position and composition; the damp overcast lighting; and the silent tension established at the end of @Video 1. The Wing Chun master remains screen-left at the northern side of the courtyard, facing screen-right. The Hung Gar challenger remains screen-right near the southern entrance, facing screen-left. Three Wing Chun pupils remain beneath the left arcade. Three Hung Gar pupils remain near the right side of the entrance. The plaque remains behind the Wing Chun master. The challenge letter remains near the challenger. Do not reset, move or duplicate anything at the extension boundary. Then, after one brief continuation of their eye contact, both masters deliberately present their martial styles before beginning exactly three exchanges. Throughout the extension, maintain continuity in every character’s identity and clothing, the challenge letter, plaque, threshold, courtyard layout, lighting, weather and axis of action. Keep each character as the same continuous individual throughout. Do not duplicate, replace, split or merge any person. Keep faces, clothing, limbs and object structures stable. [GENERATION GOAL] Generate a 30-second forward extension completing the historical Hong Kong Kung Fu school-challenge scene. The extension contains: 1. Both masters presenting their styles. 2. Exactly three connected combat exchanges. 3. The challenger being forced back outside. 4. The challenge letter being returned. No dialogue, chanting or spoken technique names. No subtitles, captions, titles, calligraphy, ink graphics, floating symbols or visible technique labels. All Chinese technique names below are invisible choreography instructions only. Never show or pronounce them. [0–7 SECONDS — THE TWO STYLES] Continue from the locked final composition of @Video 1. After a brief beat of eye contact, the Hung Gar challenger initiates one precise 起手式: 1. Chamber both fists beside his ribs. 2. Sink fully into 四平馬. 3. Establish the rooted stance before moving his arms. 4. Drive both forearms into 橋手. 5. Rotate through the waist. 6. Open the lead hand into 虎爪. 7. Finish motionless in 橋手・虎爪 guard. Begin with the inherited wide shot. When he sinks, cut to a low three-quarter full-body angle that reveals stance width and weight distribution. Use one brief tight hand detail only when 虎爪 becomes fully formed. No extra punches, spinning, repeated gestures or random arm waving. Match cut from the closing tiger claw to the Wing Chun master beginning his own 起手式: 1. Chamber both fists. 2. Cross both forearms on the centerline. 3. Open through 雙耕手. 4. Rotate into 雙攤手. 5. Circle the wrists through 圈手. 6. Flow through one compact 膀手. 7. Transition into 攤手. 8. Settle decisively into 問手・護手. Cover the Wing Chun sequence from a frontal medium shot, then a 30-degree three-quarter angle revealing the hand structures in depth. Move slightly toward the centerline only when 問手 extends. Return to a full-body two-shot after both guards are complete. [FIGHT CAMERA GEOGRAPHY] Maintain the established left-to-right combat axis. Never cross it. Use varied coverage from the courtyard-facing side: Camera A: lateral wide showing both fighters, threshold and plaque. Camera B: challenger-side three-quarter angle looking toward the Wing Chun master. Camera C: master-side three-quarter angle looking toward the challenger. Camera D: low side angle showing feet, stance and threshold crossings. Camera E: tight side detail reserved for decisive forearm contact. Change camera position only when an attack commits, contact occurs, a defence changes direction, a tactic changes or territory is gained or lost. Do not keep the camera in one position. Do not orbit around the fighters. [7–14 SECONDS — FIRST EXCHANGE] Begin at Camera A with both full bodies and the threshold visible. The challenger steps across the inner threshold and attacks with a direct Hung Gar 平捶. His foot crossing the boundary motivates a cut to Camera D. Track briefly with the advancing step, then tilt up along the punch’s trajectory. Cut on the committed punch to Camera B, looking past the challenger toward the Wing Chun master. The master waits until the fist enters range, then uses compact 拍手. The defence makes physical contact and visibly redirects the incoming fist outside the master’s centerline. Cut on contact to Camera E, showing the forearms and changed trajectory. From the opening created by 拍手, the master immediately counters with 日字衝拳. Cut to Camera C, looking past the master’s shoulder as the counter travels forward. The challenger intercepts the counter at the forearm using 橋手. Return to Camera A only after the contact settles. End state: the challenger has gained one step inside, but his first attack has failed. [14–21 SECONDS — SECOND EXCHANGE] Continue from the existing forearm contact. Do not reset positions or separate the arms without visible movement. Begin at Camera E. The challenger feels the resistance, releases the contact and changes tactics. He rotates through his hips and waist and launches a compact circular 掛捶 toward the master’s head. Cut to Camera C and pan only far enough to preserve the curved path of the fist. The Wing Chun master steps inside the arc and uses 攔手 to jam the challenger’s upper arm before full force develops. Cut to Camera B at the moment the punch is stopped. This angle reveals that the challenger’s shoulder can no longer complete its rotation. From the same contact, the master changes smoothly into 拉手. The pull rotates the challenger’s shoulders and opens his chest. Camera B makes a short controlled dolly inward because the fighting distance collapses. The master releases a compact 直掌 through the opening. Cut to Camera E as the challenger catches and redirects the striking wrist with 虎爪. Cut to Camera D when the resulting force makes the challenger step backward onto the raised threshold. Return to Camera A to reveal that only one challenger’s foot remains inside. His breathing tightens. His eyes move past the master toward the plaque, motivating the final attack. [21–28 SECONDS — THIRD EXCHANGE] Begin from Camera B behind the challenger. Align the Wing Chun master and plaque in the distance, making the challenger’s objective visually clear. Rack focus briefly from the master to the plaque, then back to the challenger. Cut to Camera D as the challenger plants his rear foot and drives forward. Cut on the advance to Camera C as he commits to 單虎出洞 with a powerful forward bridge and clearly formed tiger claw. The Wing Chun master receives the pressure with 膀手. Cut to Camera E at forearm contact. Show 膀手 redirecting the tiger bridge diagonally across the centerline instead of colliding directly against it. Without breaking contact, the master rolls into 攤手, clears the attacking arm and restores his center. Cut to Camera B as the master changes the same connection into 拉手. The pull turns the challenger’s shoulders away from the plaque. The opening created by the pull leads directly to one controlled short 直掌 against the challenger’s chest. Cut to Camera C for the compact impact and immediate loss of balance. As the challenger begins moving backward, cut wide to Camera A and track laterally with his retreat. His first recovery step lands on the threshold. His second recovery step carries him completely back toward the southern entrance. The Hung Gar pupils adjust their posture once but do not intervene. The Wing Chun master stops inside the threshold and does not pursue. [28–30 SECONDS — VERDICT] Use a symmetrical wide view along the entrance axis. The challenger and his pupils stand outside the recovered threshold. The Wing Chun master and his pupils remain inside. The plaque is untouched. The master uses the toe of his cloth shoe to slide the red challenge letter across the threshold toward the challenger. Use one low side insert showing the letter crossing the boundary. Return to the wide composition. The challenger looks down at the returned letter while the master remains still. Cut to black. [INVISIBLE CHOREOGRAPHY VOCABULARY] The following terms control physical performance only: 四平馬 橋手 虎爪 雙耕手 雙攤手 圈手 膀手 攤手 問手・護手 平捶 拍手 日字衝拳 掛捶 攔手 拉手 直掌 單虎出洞 Never render or pronounce these terms. [CAMERA AND EDITING RULES] Wide shots reveal geography, territory and consequences. Three-quarter and over-the-shoulder shots explain attack direction. Low angles clarify stance, footwork and threshold crossings. Tight details clarify decisive contact only. Cut on committed attacks, contact, completed redirections, tactical changes and physical consequences. Preserve screen direction across every cut. No random orbiting, arbitrary push-ins, excessive close-ups, handheld shaking, camera teleportation, decorative overhead shots, speed ramps or slow motion. [SOUND] Continue the courtyard ambience from @Video 1 without an audible reset. No dialogue or spoken technique names. Use dripping water, restrained breathing, clothing movement, shoe friction and dry forearm impacts. A low ceremonial drum pulse accompanies only the two 起手式 sequences. Stop the drum when the first attack begins. Let contact and footwork control the combat rhythm. Use silence when the letter crosses the threshold. [CONSISTENCY] Exactly two active fighters and three pupils per school. Maintain all faces, physiques, costumes, props, architecture, lighting and screen directions inherited from @Video 1. Every counter must emerge from the opening created by the preceding defence. No generic Kung Fu improvisation, random hand combinations, repeated opening sequences, duplicated limbs, fused hands, impossible grips, missed contact, exaggerated knockback, acrobatics, flying kicks, wirework, weapons or supernatural effects. The extension must feel like the uninterrupted second half of the same historical Hong Kong martial-arts film.