Initial TrueGrowth source import

openspec/changes/add-suno-lyrics-task-and-canvas-flow/specs/canvas-generated-text/spec.md

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+## ADDED Requirements
+
+### Requirement: Insert Generated Lyrics Onto The Canvas As Text Content
+
+The system SHALL insert generated lyrics results onto the canvas as text-oriented content instead of audio components.
+
+#### Scenario: Manual canvas insertion formats lyrics as user-readable text
+
+- **GIVEN** a completed lyrics task includes generated `text` and optional `title` or `tags`
+- **WHEN** the user manually inserts that result onto the canvas
+- **THEN** the system SHALL generate a text or markdown representation that includes the lyrics body
+- **AND** SHALL include the title and tags when available
+- **AND** SHALL use the existing text insertion capability rather than the audio node insertion capability
+
+#### Scenario: Auto insert uses the same lyrics text rendering path
+
+- **GIVEN** a lyrics task is configured for automatic insertion
+- **WHEN** the task completes successfully
+- **THEN** the automatic insertion flow SHALL route the result through the same text-oriented insertion path
+- **AND** SHALL not create an audio node or audio playback component for the lyrics result
+
+#### Scenario: Plain text fallback remains available when markdown card parsing is not applicable
+
+- **GIVEN** a generated lyrics payload cannot be meaningfully parsed into markdown cards
+- **WHEN** the system inserts the result onto the canvas
+- **THEN** the canvas SHALL still insert the lyrics as readable plain text
+- **AND** SHALL not fail the insertion only because card parsing is unavailable