release: v0.2.6

* chore: update version to v0.2.6 in badges, README, and configuration files

* feat: add Qwen 3.8-Max model support and update changelog for v0.2.6

EvoScientist/llm/context_window.py

@@ -17,6 +17,8 @@ _KNOWN_MODEL_CONTEXT_WINDOWS: dict[str, int] = {
     # Qwen 3.6 open-source variants — exceptions to the ``qwen3.6`` family.
     "qwen3.6-27b": 262_000,
     "qwen3.6-35b-a3b": 262_000,
+    # Qwen 3.8 flagship — Max (1M).
+    "qwen3.8-max": 1_000_000,
     # Qwen 3.7 closed-source tiers — Max flagship and Plus (1M).
     "qwen3.7-max": 1_000_000,
     "qwen3.7-plus": 1_000_000,

EvoScientist/llm/models.py

@@ -279,6 +279,7 @@ _MODEL_ENTRIES: list[tuple[str, str, str]] = [
     ("grok-build-0.1", "x-ai/grok-build-0.1", "openrouter"),
     ("grok-4.5", "x-ai/grok-4.5", "openrouter"),
     ("hy3", "tencent/hy3", "openrouter"),
+    ("qwen3.8-max", "qwen/qwen3.8-max", "openrouter"),
     ("qwen3.7-max", "qwen/qwen3.7-max", "openrouter"),
     ("qwen3.7-plus", "qwen/qwen3.7-plus", "openrouter"),
     ("qwen3.6-flash", "qwen/qwen3.6-flash", "openrouter"),
@@ -312,6 +313,7 @@ _MODEL_ENTRIES: list[tuple[str, str, str]] = [
     ("doubao-1.5-pro", "doubao-1.5-pro-256k", "volcengine"),
     ("doubao-1.5-thinking-pro", "doubao-1.5-thinking-pro", "volcengine"),
     # DashScope Coding Plan (阿里云代码计划 — subscription sk-sp-* endpoint)
+    ("qwen3.8-max", "qwen3.8-max", "dashscope-code"),
     ("qwen3.7-max", "qwen3.7-max", "dashscope-code"),
     ("qwen3.7-plus", "qwen3.7-plus", "dashscope-code"),
     ("qwen3.6-max", "qwen3.6-max-preview", "dashscope-code"),
@@ -322,6 +324,7 @@ _MODEL_ENTRIES: list[tuple[str, str, str]] = [
     ("qwen3-max", "qwen3-max", "dashscope-code"),
     ("qwen3.5-plus", "qwen3.5-plus", "dashscope-code"),
     # DashScope (阿里云 — Qwen models, default for simple lookups)
+    ("qwen3.8-max", "qwen3.8-max", "dashscope"),
     ("qwen3.7-max", "qwen3.7-max", "dashscope"),
     ("qwen3.7-plus", "qwen3.7-plus", "dashscope"),
     ("qwen3.6-max", "qwen3.6-max-preview", "dashscope"),