70 lines
1.9 KiB
Markdown
70 lines
1.9 KiB
Markdown
# Implementation Blueprint
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## Backend Build Script (Python Example)
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```bash
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#!/usr/bin/env bash
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set -euo pipefail
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ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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PYTHON_BIN="$ROOT_DIR/.venv/bin/python"
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APP_NAME="TraderBackend"
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BUILD_ROOT="$ROOT_DIR/dist-backend-build"
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DIST_PATH="$BUILD_ROOT/dist"
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WORK_PATH="$BUILD_ROOT/build"
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SPEC_PATH="$BUILD_ROOT/spec"
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TARGET_DIR="$ROOT_DIR/mac/TraderMac/TraderMac/EmbeddedBackend"
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mkdir -p "$DIST_PATH" "$WORK_PATH" "$SPEC_PATH" "$TARGET_DIR"
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"$PYTHON_BIN" -m pip install -q pyinstaller
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"$PYTHON_BIN" -m PyInstaller \
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--noconfirm --clean --onefile \
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--name "$APP_NAME" \
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--distpath "$DIST_PATH" \
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--workpath "$WORK_PATH" \
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--specpath "$SPEC_PATH" \
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--add-data "$ROOT_DIR/web/app.py:." \
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--add-data "$ROOT_DIR/web/<module_dir>:<module_dir>" \
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"$ROOT_DIR/web/backend_embedded_launcher.py"
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cp "$DIST_PATH/$APP_NAME" "$TARGET_DIR/$APP_NAME"
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chmod +x "$TARGET_DIR/$APP_NAME"
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```
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## SwiftUI Host Requirements
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- Use `@Observable` host object.
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- Compute `serverURL` from host/port + query items.
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- Start backend once on appear; stop on disappear.
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- Render backend URL in `WKWebView`.
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- Retry provisional load failure after short delay.
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- Keep debug controls behind `#if DEBUG`.
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## Settings Sync Contract
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- Shared path: `~/.<app>/settings.json`
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- Normalize every field on web and native sides.
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- Load shared file before app launch.
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- Push normalized fields as query params when launching/reloading webview.
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- Persist setup-sheet changes back to shared file.
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## Packaging Commands
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- Build app:
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```bash
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./scripts/build_selfcontained_mac_app.sh
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```
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- Create DMG:
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```bash
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APP_BUNDLE_PATH="dist-mac/<timestamp>/<AppName>Mac.app" ./scripts/create_installer_dmg.sh
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```
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## Verification Checklist
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- No external browser window opens.
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- App starts with embedded backend from app resources.
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- `WKWebView` loads local URL.
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- Settings persist across relaunch and remain in sync.
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- DMG installs and runs on a second machine.
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