Initial release — APIClient - Agent v2.0.0

AI-first API testing desktop client built with Python + PyQt6.

Features:
- Multi-tab HTTP request editor with params/headers/body/auth/tests
- KeyValueTable with per-row enable/disable checkboxes and 36px rows
- Format JSON button, syntax highlighting, pre-request & test scripts
- Collections, environments, history, import/export (Postman v2.1, cURL)
- OpenAPI 3.x / Swagger 2.0 local parser (no AI tokens)
- EKIKA Odoo API Framework generator — JSON-API, REST JSON, GraphQL,
  Custom REST JSON with all auth types (instant, no AI tokens)
- Persistent AI chat sidebar (Claude-powered co-pilot) with streaming,
  context-aware suggestions, and one-click Apply to request editor
- AI collection generator from any docs URL or pasted spec
- WebSocket client, Mock server, Collection runner, Code generator
- Dark/light theme engine (global QSS, object-name selectors)
- SSL error detection with actionable hints
- MIT License

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/models.py

@@ -0,0 +1,72 @@
+"""APIClient - Agent — Core data models."""
+from dataclasses import dataclass, field
+from typing import Optional
+
+
+@dataclass
+class HttpRequest:
+    method:             str = "GET"
+    url:                str = ""
+    headers:            dict = field(default_factory=dict)
+    params:             dict = field(default_factory=dict)
+    body:               str = ""
+    body_type:          str = "raw"       # raw | form-data | urlencoded
+    content_type:       str = ""          # explicit Content-Type override
+    auth_type:          str = "none"      # none | bearer | basic | apikey
+    auth_data:          dict = field(default_factory=dict)
+    pre_request_script: str = ""
+    test_script:        str = ""
+    name:               str = ""
+    collection_id:      Optional[int] = None
+    folder_id:          Optional[int] = None
+    id:                 Optional[int] = None  # set when loaded from DB
+    timeout:            int  = 30         # seconds
+    ssl_verify:         bool = True
+
+
+@dataclass
+class HttpResponse:
+    status:     int   = 0
+    reason:     str   = ""
+    headers:    dict  = field(default_factory=dict)
+    body:       str   = ""
+    elapsed_ms: float = 0.0
+    size_bytes: int   = 0
+    error:      str   = ""
+
+
+@dataclass
+class Environment:
+    id:        Optional[int] = None
+    name:      str  = ""
+    variables: dict = field(default_factory=dict)
+    is_active: bool = False
+
+
+@dataclass
+class MockEndpoint:
+    id:               Optional[int] = None
+    method:           str = "GET"
+    path:             str = "/mock"
+    status_code:      int = 200
+    response_headers: dict = field(default_factory=dict)
+    response_body:    str = ""
+    name:             str = ""
+
+
+@dataclass
+class TestResult:
+    name:    str
+    passed:  bool
+    message: str = ""
+
+
+@dataclass
+class CollectionRunResult:
+    request_name: str
+    method:       str
+    url:          str
+    status:       int   = 0
+    elapsed_ms:   float = 0.0
+    test_results: list  = field(default_factory=list)
+    error:        str   = ""