P0 deep-dive: core, providers, agent, memory, TUI, setup wizard

DEEP DIVE — Agent Loop (gyandoot-agent):
- Real conversation loop with interactive (run()) and non-interactive
  (run_conversation()) modes
- Retry logic with exponential backoff and error classification
  (RateLimit, Auth, Timeout, ServerError, ContextOverflow)
- Context window management — token estimation, 75% threshold compression
- 7 built-in tools: Read, Write, Edit, Bash, Grep, Find, Ls
- BashTool with destructive-command security blocks
- ContextCompressor — prune tool results, summarize middle messages

DEEP DIVE — Memory (gyandoot-memory):
- Real MemPalace with ~/.gyandoot/palace/wings/<wing>/ directory tree
- Daily transcript files (YYYY-MM-DD_transcript.md) with append-only format
- L0/L1 identity persistence (< 157 tokens for L0)
- Session digest to drawer.md
- File persistence support for transcripts and identity store

DEEP DIVE — Core (gyandoot-core):
- GyandootConfig with TOML deserialization for all sections
- ConfigLoader with env > profile > file > default chain
- Rich types: Message, ToolCall, ToolResult, SessionId
- Comprehensive error types with thiserror derive

DEEP DIVE — Providers (gyandoot-providers):
- Provider trait with chat/chat_stream/models
- OpenAI provider with streaming SSE and function calling
- Anthropic provider with Messages API + tool use
- Ollama provider with merge_system/no_tools auto-detect
- SseParser, StreamEvent, TokenStream for SSE parsing
- ProviderFactory for creation from config

NEW — TUI crate (gyandoot-tui):
- Banner: Kapil-approved robot head ASCII art with ANSI colors
- Setup wizard: 7 providers, interactive config, connection test
- Terminal helpers: spinner, confirm, text input, selection menu
- Ratatui TUI: keyboard input, commands, status display

All 12 crates + CLI binary compile with 0 errors.

Cargo.toml

@@ -20,8 +20,8 @@ members = [
     "crates/gyandoot-profile",
     "crates/gyandoot-gateway",
     "crates/gyandoot-browser",
+    "crates/gyandoot-tui",
 ]
-edition = "2021"
 
 [workspace.package]
 version = "2.0.0"
@@ -65,6 +65,7 @@ gyandoot-skills = { path = "crates/gyandoot-skills" }
 gyandoot-profile = { path = "crates/gyandoot-profile" }
 gyandoot-gateway = { path = "crates/gyandoot-gateway" }
 gyandoot-browser = { path = "crates/gyandoot-browser" }
+gyandoot-tui = { path = "crates/gyandoot-tui" }
 tokio.workspace = true
 serde.workspace = true
 serde_json.workspace = true