Initial TrueGrowth source import

openspec/changes/add-creative-brief-workflow/specs/video-analyzer/spec.md

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+## ADDED Requirements
+
+### Requirement: Popular Video Creative Brief
+The popular video tool SHALL persist an optional creative brief on the existing product/script configuration and use it when rewriting scripts.
+
+#### Scenario: Rewrite script with creative brief
+- **WHEN** the user sets purpose/scene, directing style, narrative style, or advanced brief fields and starts AI script rewrite
+- **THEN** the rewrite prompt includes the selected brief
+- **AND** the returned script is instructed to adapt hook, selling structure, pacing, narration density, and CTA to the brief
+
+#### Scenario: Choose a purpose or scene preset
+- **WHEN** the user opens the professional creative brief editor
+- **THEN** the popular video tool SHALL provide grouped purpose and scene presets such as conversion, local lifestyle, knowledge/tutorial, story/emotion, brand, and music/MV directions
+- **AND** the selected purpose or scene SHALL be persisted and included in rewrite, frame, and video generation prompts
+
+#### Scenario: Open old record without brief
+- **WHEN** the user opens a record created before creative brief support
+- **THEN** the script page loads without errors
+- **AND** all creative brief fields are treated as empty defaults

openspec/changes/add-creative-brief-workflow/specs/video-batch-generation/spec.md

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+## ADDED Requirements
+
+### Requirement: Generation Prompts Inherit Creative Brief
+Single-shot and batch video generation prompts SHALL inherit the workflow creative brief when present.
+
+#### Scenario: Generate shot video with creative brief
+- **GIVEN** a workflow record has a creative brief
+- **WHEN** the user generates a single shot video or starts batch video generation
+- **THEN** each video prompt includes the relevant directing, pacing, platform, audience, and avoid constraints
+
+#### Scenario: Empty creative brief keeps existing behavior
+- **GIVEN** a workflow record has no creative brief
+- **WHEN** the user generates frames or videos
+- **THEN** prompt output remains compatible with the existing prompt structure

openspec/changes/add-creative-brief-workflow/specs/video-mv-workflow-parity/spec.md

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+## ADDED Requirements
+
+### Requirement: Shared Creative Brief Controls
+The system SHALL provide the same lightweight creative brief controls for the MV creator and popular video tool.
+
+#### Scenario: Configure shared brief fields
+- **WHEN** the user opens the script/config area for either workflow
+- **THEN** the user can set purpose/scene, directing style, and narrative style as primary controls
+- **AND** platform, audience, pacing, and avoid terms are available as advanced controls
+
+#### Scenario: Persist shared brief fields
+- **WHEN** the user changes creative brief fields in either workflow
+- **THEN** the fields are saved on the existing workflow record
+- **AND** the values are restored when the record is reopened
+
+### Requirement: MV Storyboard Prompt Uses Visual Context
+The MV creator SHALL pass selected visual style and aspect ratio into initial storyboard prompt generation.
+
+#### Scenario: Generate storyboard with style and ratio
+- **WHEN** the user generates an MV storyboard with selected video style or aspect ratio
+- **THEN** the storyboard prompt includes those visual constraints