fix: cline-pass: glm-5.3-flash missing from provider data

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Summary

Adds the missing ClinePass model cline-pass/glm-5.3-flash. It is present in Cline’s live recommended-models catalog but was not in providers/cline-pass/models/cline-pass/. The entry uses lab metadata via base_model = "zhipuai/glm-5.3-flash" and follows the same override-only pattern as cline-pass/glm-5.3.

Changes

New file: providers/cline-pass/models/cline-pass/glm-5.3-flash.toml

Field	Value
base_model	zhipuai/glm-5.3-flash
reasoning_options	effort: low, high, max
interleaved.field	reasoning_content (same as ClinePass glm-5.3)
cost.input	0.075 USD/MTok
cost.output	0.25 USD/MTok
cost.cache_read	0.015 USD/MTok

Evidence

• Availability / model ID — Cline recommended-models API includes cline-pass/glm-5.3-flash in clinePass[] (fetched 2026-09-01).
• Lab identity / limits / modalities — Inherited from existing models/zhipuai/glm-5.3-flash.toml; first-party overview: Z.AI GLM-5.3-Flash.
• Reasoning controls — Z.AI documents reasoning_effort low | high | max and always-on thinking for this model (docs); matches first-party providers/zai/models/glm-5.3-flash.toml and ClinePass peer glm-5.3.
• Reference cost — Z.AI pricing: GLM-5.3-Flash promo $0.075 / $0.25 / $0.015 per 1M (input/output/cache read); 50% off list through 2026-09-09 24:00 UTC+8. ClinePass docs still omit Flash from the model and pricing tables (ClinePass docs).

Validation

• Confirmed model ID on the live Cline recommended-models response.
• Matched provider TOML shape to existing ClinePass GLM entries and lab/peer reasoning options.
• Did not run bun validate (no shell per instructions).

Review notes

• ClinePass public docs list 13 models and do not yet document glm-5.3-flash or its reference rates; availability is from the live catalog API.
• Costs use current Z.AI promo rates (same as first-party providers/zai). If Cline later publishes Flash quota rates at list ($0.15 / $0.50 / $0.03) or different figures, update cost accordingly.
• Assumed ClinePass surfaces the same interleaved reasoning_content side channel as cline-pass/glm-5.3.

Closes #6052

Automated by the issue fixer: https://github.com/anomalyco/models.dev/actions/runs/33569765060