Context Attachments

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status="ready" · it fits: 8,000 reserved + 96,644 attached = 104,644 of 200,000 (52%). The top line spells that arithmetic out, and all three numbers have to agree. Pin and remove are wired to real state, and removing one raises the undo bar at the bottom

Context6 attachments

105K/ 200K52%

System prompt 8,000attachments 97K105K used95K left

product-requirements-v4.md
File: ~/work/atlas/docs/product/product-requirements-v4.md47 KB
12.5Ktokens
schema.sqlPinned
File: ~/work/atlas/services/warehouse/migrations/2026-02-14_add_usage_rollups/schema.sql90 KB
24.2Ktokens
Streaming responses — API reference
Link: https://docs.example.com/api/reference/streaming-responses?section=server-sent-events&locale=en-US129 KB
32Ktokens
useContextBudget.ts:1-84
Snippet: ~/work/atlas/apps/console/src/hooks/useContextBudget.ts:1-843.3 KB
964tokens
Chapter 3 · Billing basis and rounding rules
Selection: Billing handbook (2026 edition).docx · 2,140 words selected11 KB
3,120tokens
support-threads-week-07.csv
File: ~/Downloads/exports/support-threads-week-07.csv87 KB
24Ktokens

No action yet — try pinning one, or removing one and undoing it.

status="ready" · 30% over the limit: rather than reddening one row, the component names the bottom three as the ones that will be dropped and works out what is left once they are. Pin invoice-template.tsx and it leaves the list, with reconcile.test.ts taking its place

Context · over budget7 attachments

130K/ 100K130%

System prompt 8,000attachments 122K130K used30K over

Over the window by 30K tokens. The 3 unpinned attachments lowest in the list will be dropped, leaving 91.5K of 100K sent. Pin anything that has to stay.

architecture-decision-log.md
File: ~/work/atlas/docs/adr/architecture-decision-log.md94 KB
24Ktokens
Rate limits & retries
Link: https://docs.example.com/platform/reliability/rate-limits-and-retries70 KB
18.5Ktokens
billing-service.ts
File: ~/work/atlas/services/billing/src/billing-service.ts122 KB
31.2Ktokens
reconcile.test.ts:44-210
Snippet: ~/work/atlas/services/billing/src/__tests__/reconcile.test.ts:44-21038 KB
9,800tokens
invoice-template.tsxWill be dropped
File: ~/work/atlas/apps/console/src/features/invoices/invoice-template.tsx60 KB
15.4Ktokens
Q1 pricing memo · pages 2-5Will be dropped
Selection: Pricing memo (Q1 2026).pdf · selection53 KB
13.7Ktokens
changelog.mdWill be dropped
File: ~/work/atlas/CHANGELOG.md37 KB
9,400tokens

8,000 reserved + 122,000 attached = 130,000 — exactly 130% of the 100,000 limit. By default the bottom three go (changelog.md · Q1 pricing memo · invoice-template.tsx).

status="ready" · duplicate detection: the button on the right attaches the same file a second time — the new row is marked “Duplicate” and struck through, used does not double, and the header gains a line saying so

Context6 attachments

105K/ 200K52%

System prompt 8,000attachments 97K105K used95K left

product-requirements-v4.md
File: ~/work/atlas/docs/product/product-requirements-v4.md47 KB
12.5Ktokens
schema.sqlPinned
File: ~/work/atlas/services/warehouse/migrations/2026-02-14_add_usage_rollups/schema.sql90 KB
24.2Ktokens
Streaming responses — API reference
Link: https://docs.example.com/api/reference/streaming-responses?section=server-sent-events&locale=en-US129 KB
32Ktokens
useContextBudget.ts:1-84
Snippet: ~/work/atlas/apps/console/src/hooks/useContextBudget.ts:1-843.3 KB
964tokens
Chapter 3 · Billing basis and rounding rules
Selection: Billing handbook (2026 edition).docx · 2,140 words selected11 KB
3,120tokens
support-threads-week-07.csv
File: ~/Downloads/exports/support-threads-week-07.csv87 KB
24Ktokens

Re-attached 0 times · the used figure at the top should stay at 104,644 (the copy of 12,460 is not counted twice), and the duplicate row carries a “Duplicate” badge and is struck through.

status="ready" · two entries are still being counted (a 2.2 MB log and a long web page): they read “Counting…” instead of 0 or a stale figure, and the total carries a ≥ to mark it a lower bound; the fixture also ships one duplicate in the list

Context5 attachments

≥44.6K/ 200K≥22%

System prompt 8,000attachments 36.6K44.6K used155K left

1 duplicate entry — same source as something already attached, so it is counted once, not twice.2 still being counted — the total will grow once they land.

product-requirements-v4.md
File: ~/work/atlas/docs/product/product-requirements-v4.md47 KB
12.5Ktokens
schema.sqlPinned
File: ~/work/atlas/services/warehouse/migrations/2026-02-14_add_usage_rollups/schema.sql90 KB
24.2Ktokens
incident-2026-02-09.log
File: /var/log/atlas/incident-2026-02-09.log2.2 MB
Counting…tokens
product-requirements-v4.mdDuplicate
File: ~/work/atlas/docs/product/product-requirements-v4.md47 KB
Same source as “product-requirements-v4.md” — counted once.
12.5Knot counted
Vendor integration spec (long)
Link: https://partners.example.com/integrations/v3/specification/full?expand=all&format=html645 KB
Counting…tokens

status="ready" · 1,050,000 / 1,000,000: the compact notation widens to “1.05M” rather than printing “1.1M” for this and 1,100,000 alike; the exact value stays in the title and the screen-reader text

Context · 1M window3 attachments

1.05M/ 1M105%

System prompt 12Kattachments 1.04M1.05M used50K over

Over the window by 50K tokens. The 1 unpinned attachment lowest in the list will be dropped, leaving 955K of 1M sent. Pin anything that has to stay.

monorepo-flattened.txtPinned
File: ~/work/atlas/.cache/context/monorepo-flattened.txt2.3 MB
612Ktokens
api-transcripts-2026-Q1.jsonl
File: ~/work/atlas/data/exports/api-transcripts-2026-Q1.jsonl1.2 MB
331Ktokens
design-system.mdWill be dropped
File: ~/work/atlas/docs/design/design-system.md363 KB
95Ktokens

status="ready" · with no onRestore, remove degrades to a confirm step (bin → “Remove?” → gone), so a big file is never one press away from disappearing

Context · no undo available3 attachments

76.6K/ 200K38%

System prompt 8,000attachments 68.6K76.6K used123K left

product-requirements-v4.md
File: ~/work/atlas/docs/product/product-requirements-v4.md47 KB
12.5Ktokens
schema.sqlPinned
File: ~/work/atlas/services/warehouse/migrations/2026-02-14_add_usage_rollups/schema.sql90 KB
24.2Ktokens
Streaming responses — API reference
Link: https://docs.example.com/api/reference/streaming-responses?section=server-sent-events&locale=en-US129 KB
32Ktokens

The first press of the bin only turns it into “Remove?”; a second press actually deletes.

status="loading" · skeletonRows={5}; the skeleton reuses the real row geometry (icon + two lines of text + token column), and the animation stops under prefers-reduced-motion

status="empty" · the built-in empty state still states the window size and the reserve (swap the whole block out with emptyState)

Nothing attached yet

Files, links, snippets and selections you attach show up here with what each one costs.

200K-token window, 8,000 reserved for the system prompt.

status="error" · Try again is rendered only when onRetry is passed; pressing it really does run error → loading → ready

Couldn't measure the context

The token counter didn't respond, so the budget is unknown.

current status: error

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