Fix schema annotations in misc component docs

[swoboda1337]

Summary

Fixes templatable formatting and Required/Optional mismatches across 7 component documentation files, verified against ESPHome Python source code.

Templatable fixes

• binary_sensor/analog_threshold.mdx — add missing comma before [templatable] on threshold, upper, lower (validator parsed float [templatable] as a single type token)
• time/bm8563.mdx — add missing [templatable] to timer duration

Required/Optional fixes

• text_sensor/nextion.mdx — component_name: Optional → Required (source: nextion/base_component.py)
• touchscreen/ektf2232.mdx — reset_pin, interrupt_pin: Optional → Required
• touchscreen/lilygo_t5_47.mdx — interrupt_pin: Optional → Required
• touchscreen/tt21100.mdx — interrupt_pin: Required → Optional
• output/sigma_delta_output.mdx — update_interval: Required → Optional (default 60s, from polling_component_schema)

Test plan

• Verify schema validation errors are resolved for these files
• Verify rendered docs accurately reflect the source code requirements

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📥 Commits

Reviewing files that changed from the base of the PR and between d5dff81 and 2de8f84.

📒 Files selected for processing (7)

• src/content/docs/components/binary_sensor/analog_threshold.mdx
• src/content/docs/components/output/sigma_delta_output.mdx
• src/content/docs/components/text_sensor/nextion.mdx
• src/content/docs/components/time/bm8563.mdx
• src/content/docs/components/touchscreen/ektf2232.mdx
• src/content/docs/components/touchscreen/lilygo_t5_47.mdx
• src/content/docs/components/touchscreen/tt21100.mdx

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🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[Copilot]

Pull request overview

This PR fixes schema annotation errors across 7 component documentation files, correcting both [templatable] formatting (missing comma separators that caused the type token to be mis-parsed) and Required/Optional mismatches (verified against ESPHome Python source).

Changes:

• Add missing commas before [templatable] markers in binary_sensor/analog_threshold.mdx (threshold, upper, lower) and add [templatable] to bm8563.mdx timer duration
• Fix Required/Optional markers: component_name in text_sensor/nextion.mdx → Required; reset_pin/interrupt_pin in touchscreen/ektf2232.mdx → Required; interrupt_pin in touchscreen/lilygo_t5_47.mdx → Required; interrupt_pin in touchscreen/tt21100.mdx → Optional; update_interval in output/sigma_delta_output.mdx → Optional with default

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/content/docs/components/binary_sensor/analog_threshold.mdx	Adds commas before [templatable] on threshold, upper, and lower to fix schema_doc.py type token parsing
src/content/docs/components/time/bm8563.mdx	Adds [templatable] annotation to duration field in bm8563.start_timer action
src/content/docs/components/text_sensor/nextion.mdx	Changes component_name from Optional to Required
src/content/docs/components/touchscreen/ektf2232.mdx	Changes reset_pin and interrupt_pin from Optional to Required
src/content/docs/components/touchscreen/lilygo_t5_47.mdx	Changes interrupt_pin from Optional to Required
src/content/docs/components/touchscreen/tt21100.mdx	Changes interrupt_pin from Required to Optional
src/content/docs/components/output/sigma_delta_output.mdx	Changes update_interval from Required to Optional and adds default value