chore(models): split GLM-5.2 into its own model, deprecate GLM 5/5.1 / 将 GLM-5.2 拆分为独立模型，并弃用 GLM 5/5.1

[functionstackx]

Summary

GLM-5.2 is not a point release of GLM-5/5.1 — it is a new architecture bucket (glm_moe_dsa with IndexShare sparse attention, 78 layers; 743B core MoE / 39B active — the 753B HF metadata figure includes the bundled ~10B MTP head, same trap as DeepSeek-R1's 685B). PR #588 folded glm5.2 into the GLM-5 display grouping by mistake. This PR:

• Splits glm5.2 into its own GLM-5.2 display model
  • DB_MODEL_TO_DISPLAY: 'glm5.2' → 'GLM-5.2' (own bucket; no re-ingest needed — DB rows were always stored under the glm5.2 key, only the display mapping changes)
  • New Model.GLM_5_2 enum + MODEL_CONFIG entry GLM5.2 743B (category default). Placed above GLM_5 because MODEL_PREFIX_MAPPING matches artifact names by substring in insertion order and glm5.2 artifact names also contain glm5 — covered by new unit tests
  • New /compare + /compare-per-dollar slug glm-5-2 (dbKeys: ['glm5.2']); the glm-5-1 slug reverts to ['glm5.1', 'glm5'] with label GLM 5/5.1. Existing glm/glm-5 aliases stay on glm-5-1, mirroring how the bare minimax alias stayed on the M2 series when M3 (different architecture) split out
  • KNOWN_MODELS, agentic sibling-nav label, and submissions display-mapping pick up GLM-5.2; /about FAQ model list derives from DB_MODEL_TO_DISPLAY automatically
• Moves GLM 5/5.1 (Model.GLM_5) to the Deprecated dropdown group (label reverts to GLM5/5.1 744B) — no longer actively benchmarked, following the gpt-oss precedent in chore(models): move gpt-oss 120B to deprecated / 将 gpt-oss 120B 移至弃用类别 #535
• AGENTS.md: adds the GLM-5.2 row (743B / 39B, zai-org/GLM-5.2) to the verified parameter table and a mislabel-trap bullet (not-a-point-release + 753B-includes-MTP-head)
• Updates compare-page SEO blurbs (EN + ZH) from "GLM 5" to "GLM 5.2"

Chinese pages (/zh)

Both /zh/compare and /zh/compare-per-dollar SEO blurbs updated in the same PR. No new page/tab/post — the new compare slug pages are generated from shared templates that already have their /zh mirrors (compare-ssr-zh.ts untouched because the English narrative templates are unchanged).

Overlay-run support

N/A — this is a model-category/display-mapping change, not a chart feature. Overlay rendering resolves model labels through the same MODEL_CONFIG / DB_MODEL_TO_DISPLAY maps, so ?unofficialrun= overlays pick up the split automatically.

Testing

• pnpm typecheck, pnpm lint, pnpm fmt — pass
• pnpm test:unit — 3,063 tests pass, including new coverage: glm5.2 prefix-collision parsing (getModelAndSequence / getModelAndSequenceFromArtifact), GLM-5.2 own display bucket (constants + app), isModelDeprecated(GLM_5), glm-5-2 compare-slug parsing, submissions glm5.2 → GLM-5.2
• dropdown-switching.cy.ts grouping e2e updated: GLM5/5.1 744B now asserted under Deprecated

中文说明

GLM-5.2 并非 GLM-5/5.1 的小版本更新，而是全新架构分桶（glm_moe_dsa，采用 IndexShare 稀疏注意力，78 层；核心 MoE 743B / 激活 39B —— HF 元数据显示的 753B 包含约 10B 的 MTP 头，与 DeepSeek-R1 685B 是同类陷阱）。PR #588 误将 glm5.2 并入 GLM-5 显示分组。本 PR：

• 将 glm5.2 拆分为独立的 GLM-5.2 显示模型：DB_MODEL_TO_DISPLAY 映射为独立分桶（无需重新摄取数据，DB 行本就存储在 glm5.2 键下，仅显示映射变更）；新增 Model.GLM_5_2 枚举与 MODEL_CONFIG 条目 GLM5.2 743B（默认分类），且置于 GLM_5 之上以保证产物名前缀子串匹配的正确性（已补充单元测试）；新增 /compare 与 /compare-per-dollar 的 glm-5-2 slug，glm-5-1 slug 恢复为仅查询 ['glm5.1', 'glm5']
• 将 GLM 5/5.1（Model.GLM_5）移入下拉框"已弃用"分组（标签恢复为 GLM5/5.1 744B），不再进行日常基准测试，沿用 chore(models): move gpt-oss 120B to deprecated / 将 gpt-oss 120B 移至弃用类别 #535 弃用 gpt-oss 的先例
• AGENTS.md：在权威参数表中新增 GLM-5.2（743B / 39B）行，并补充参数量陷阱说明
• 同步更新中英文 compare 页面的 SEO 描述（"GLM 5" → "GLM 5.2"）

测试：pnpm typecheck / pnpm lint / pnpm fmt / pnpm test:unit（3,063 个测试）全部通过；新增前缀冲突解析、独立显示分桶、弃用分类与 compare slug 的测试覆盖；已更新下拉分组 e2e。

🤖 Generated with Claude Code

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Note

Medium Risk
Wide but coordinated model-taxonomy changes (dropdown categories, compare slugs, prefix parsing); regressions could mis-route benchmarks, though new tests target the main collision and mapping paths.

Overview
Treats GLM-5.2 as its own architecture and display model instead of folding glm5.2 into the GLM-5/5.1 bucket. glm5.2 → GLM-5.2 in shared DB/display maps; new Model.GLM_5_2 with default dropdown label GLM5.2 743B, placed above GLM_5 so artifact prefix matching does not treat glm5.2 as glm5.

GLM 5/5.1 (Model.GLM_5) moves to Deprecated (GLM5/5.1 744B); compare glm-5-1 only queries glm5 / glm5.1 and a new glm-5-2 slug targets glm5.2 alone. EN/ZH compare SEO copy highlights GLM 5.2; AGENTS.md adds parameter counts and a mislabel trap.

Tests cover prefix collision, slug parsing, deprecation, submissions URLs, and Cypress expects GLM5/5.1 744B under Deprecated.

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