feat: optimize canvas load and save using lazy loading and delta upserts

fix: treat null/empty SubscriptionTier as Free tier in all limit checks

feat: include daily AI generation count in user response DTO

Implement custom templates and subscription tiers backend changes

Refine strategist prompts for conversational tone, adaptive sizes, and correct chronological chaining

Optimize prompts for recursive roadmap generation and add goal templates

fix: enforce strict node type rules (sketch/habit/condition) in prompts

chore: support parallel and sequential subgoal structures in system prompts

chore: update system prompts with refined subgoal/sequential rules

fix: enforce parent node creation and subgoal relationships for subtasks

feat: integrate FreeDeepseekAPI background proxy and routing in AIService

feat: add chat history support to AI strategist assist

feat(AI): map subgoal to subgoals-source-right and instruct model to chain sequential subtasks

feat(AI): add retry loop with exponential backoff for transient HTTP status codes (503, 429, 500)

feat(AI): refine prompts for natural conversational agent behavior, strict habit guidelines, and subtask breakdown

fix(AIService): robust model name validation to fallback to gemini-2.5-flash if configured model looks like API key

debug: include model name in Gemini API exception

fix(AIService): strip models/ prefix from Gemini model name

fix

gemini integration

feat: Upgrade AutoLayoutEngine to support rich node generation (color, status, progress, tags, subgoals, etc.)

Layout: Swap axes to flow top-to-bottom for sequential and horizontal for sub-blocks

fix: resolve EF Core Edge mapping GraphId ForeignKey constraint violation in SaveFullGraphAsync

feat: implement QuestSchema DTO, AutoLayoutEngine and AgentCanvasController for LLM Agent Skill integration

fix: refactor Edge.Condition to string for precise handle-based connection persistence

Extend TaskNode with visual and data fields to support images, drawing and custom text

fix: allow collaborators to get graph shares and prepend graph owner to list of collaborators

feat(habits): support custom checked date in backend DTO, repository, and service

fix

fix: optimized Dockerfile, backend AI service, and gitignore

init