refactor: rename project from Freepik to Magnific

Rename all identifiers, strings, file names, env vars, CLI entry point,
ASCII banner, and API endpoint to reflect the company rebrand.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

magnific_cli/api/videos.py

@@ -0,0 +1,73 @@
+"""Video generation API methods."""
+
+from __future__ import annotations
+
+from typing import Any, Optional, Tuple
+
+from magnific_cli.api.client import MagnificClient
+from magnific_cli.api.models import (
+    VIDEO_POST_ENDPOINTS,
+    VIDEO_STATUS_ENDPOINTS,
+    VIDEO_IMAGE_FIELDS,
+    VIDEO_ASPECT_RATIO_MODELS,
+    VideoModel,
+    get_output_urls,
+    get_status,
+    get_task_id,
+    normalize_aspect_ratio_video,
+)
+
+
+class VideoAPI:
+    def __init__(self, client: MagnificClient) -> None:
+        self._client = client
+
+    def generate(
+        self,
+        model: VideoModel,
+        image_b64: str,
+        prompt: Optional[str] = None,
+        duration: int = 5,
+        aspect_ratio: str = "16:9",
+        seed: Optional[int] = None,
+    ) -> str:
+        """Submit an image-to-video task. Returns task_id."""
+        # Video API expects raw base64, not a data URI
+        if ";base64," in image_b64:
+            image_b64 = image_b64.split(";base64,", 1)[1]
+
+        image_field = VIDEO_IMAGE_FIELDS[model]
+
+        # kling-elements uses an array; all others use a scalar
+        if image_field == "images":
+            payload: dict[str, Any] = {"images": [image_b64]}
+        else:
+            payload = {image_field: image_b64}
+
+        if prompt:
+            payload["prompt"] = prompt
+
+        # minimax only supports duration=6; clamp silently
+        effective_duration = duration
+        if model == VideoModel.MINIMAX_HAILUO:
+            effective_duration = 6
+        payload["duration"] = str(effective_duration)
+
+        if aspect_ratio and model in VIDEO_ASPECT_RATIO_MODELS:
+            payload["aspect_ratio"] = normalize_aspect_ratio_video(aspect_ratio, model)
+
+        if seed is not None:
+            payload["seed"] = seed
+
+        endpoint = VIDEO_POST_ENDPOINTS[model]
+        raw = self._client.post(endpoint, json=payload)
+        return get_task_id(raw)
+
+    def get_status(self, model: VideoModel, task_id: str) -> Tuple[str, dict[str, Any]]:
+        """Poll status. Returns (status_str, raw_response)."""
+        endpoint = VIDEO_STATUS_ENDPOINTS[model].format(task_id=task_id)
+        raw = self._client.get(endpoint)
+        return get_status(raw), raw
+
+    def get_output_urls(self, raw: dict[str, Any]) -> list[str]:
+        return get_output_urls(raw)