Offer F# declarations to the Copilot chat "#" mention picker - #20409

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xperiandri wants to merge 29 commits into

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xperiandri:copilot-mentions

Commits on Sep 16, 2026

Offer F# declarations to the Copilot chat "#" mention picker

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bddd3b1
Parallelize Copilot symbol lookup and cut allocations on the hot cache path

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53e1883
Link the Copilot mention picker release note to its PR

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0f7f66e
Harden Copilot provider registration and widen one-line snippets

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fdfbd1d
Match declaration names over spans instead of building them

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5eea689
Slice source text instead of copying it line by line for outlining

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116a5e4
Track comment lines by number instead of storing their text

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4741185
Take the main thread before registering the Copilot context provider
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5e4d411
Trace Copilot context-provider registration through the output pane
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8d73011
Answer the Copilot mention picker from what is already parsed

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d1ed1c4
Answer the mention picker with the open files first

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30a96ad
Answer the picker before it knows what is being mentioned

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4bffe1a
Rank and label F# declarations in the picker the way Copilot does C#

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bd80eac
Take the copied outlining work back out of this pull request

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be1c421
Keep double backticks in a mention's fully qualified name

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cd491d3
Throttle through FSharp.Core's Task.parallelDoLimit

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d9c3fdd
Format the Copilot context provider

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c3f3bb0
Pipe items into Seq.map instead of applying it prefix-style

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d38264d
Walk the solution once for both the picker and a picked mention

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43b84a1
Collect subscriptions into an array, not a list

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3cac379
Take Copilot picker focus from Copilot's own document-context service

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2d3603c
Navigate to the overload a Copilot mention was picked for, not the first found

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f17ea64

Commits on Sep 17, 2026

Preallocate the open-documents bucket in tiers by its known upper bound

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42b5041

Commits on Sep 20, 2026

Compare spans through ordinal helpers instead of spelling StringComparison out

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15f9ecc
Take the span ordinal helpers from illib instead of copying them

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b0caf62
Resolve only the open documents up front, walk the rest on demand

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a6c811d
Revert "Take the span ordinal helpers from illib instead of copying them"
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4bae417

Commits on Sep 21, 2026