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Sessions12

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fab-mes-service

Fix lot hold timeoutnow

SPC chart CSV export2h

Recipe parser refactor1d

wafer-map-tools

Bin map colour scale3d

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Fix lot hold timeout fab-mes-servicemain

Holding a lot with more than 500 wafers times out. Find the cause, fix it and run the tests.

The handler reads and updates each wafer separately, so an 800-wafer lot makes 1,600 database round trips. I’ll batch both.

Plan3 / 4

Trace the hold request in lot_hold.py

Replace the per-wafer loop with one batched query

Add a test that holds an 800-wafer lot

Run the test suite

Readservices/lot_hold.py

Editedservices/lot_hold.py+14 −9

Createdtests/test_lot_hold_large.py+31

Runningpytest tests/ -k lot_hold

tests/test_lot_hold.py ..........

tests/test_lot_hold_large.py ..

collecting coverage…

Describe the task. / for commands, @ for files or sessions

Workspace write Micius-Flash-Preview

Changes2 files +45 −9

services/lot_hold.py+14 −9

tests/test_lot_hold_large.py+31

@@ -41,9 +41,9 @@

41 def hold_lot(lot, reason):

42 log.info("hold %s", lot.id)

43− for wafer_id in lot.wafer_ids:

44− wafer = db.get_wafer(wafer_id)

45− wafer.hold(reason)

43+ wafers = db.get_wafers(lot.wafer_ids)

44+ db.hold_wafers(wafers, reason,

45+ batch_size=200)

46 audit.record(lot, "HOLD", reason)

47 return HoldResult(lot.id, len(wafers))

tests/test_lot_hold_large.py

1+def test_hold_800_wafers(db, make_lot):

2+ lot = make_lot(wafers=800)

3+ result = hold_lot(lot, "PM overdue")

4+ assert result.count == 800

5+ assert db.queries < 10

Hand off the task, keep the decisions

Say what needs to change. Micius plans the work, edits the code and runs your tests, then shows you the change so you decide what to keep.

01You describe

Holding a lot with more than 500 wafers times out. Find the cause, fix it and run the tests.

@lot_hold.py @tests/

fab-mes-service

02Micius works

Micius-Flash-Previewfab-mes-service

Plan · 3 steps

Editedservices/lot_hold.py+14 −9

Createdtests/test_lot_hold_large.py+31

Round 1 · 1 failed

E  assert db.queries < 10  (41)

Fixedbatch_size=200

Round 2 · 12 passed2.84s

03You decide

Changes2 files +45 −9

services/lot_hold.py+14 −9

−for wafer_id in lot.wafer_ids:

+wafers = db.get_wafers(lot.wafer_ids)

+db.hold_wafers(wafers, batch_size=200)

RevertKeep

tests/test_lot_hold_large.py+31

RevertKeep

12 passedKeep all

01You describe

Holding a lot with more than 500 wafers times out. Find the cause, fix it and run the tests.

@lot_hold.py @tests/

fab-mes-service

02Micius works

Micius-Flash-Previewfab-mes-service

Plan · 3 steps

Editedservices/lot_hold.py+14 −9

Createdtests/test_lot_hold_large.py+31

Round 1 · 1 failed

E  assert db.queries < 10  (41)

Fixedbatch_size=200

Round 2 · 12 passed2.84s

03You decide

Changes2 files +45 −9

services/lot_hold.py+14 −9

−for wafer_id in lot.wafer_ids:

+wafers = db.get_wafers(lot.wafer_ids)

+db.hold_wafers(wafers, batch_size=200)

RevertKeep

tests/test_lot_hold_large.py+31

RevertKeep

12 passedKeep all

Asks before risky steps

Choose read only, workspace write or full access. Anything the mode doesn’t cover, such as a database migration, waits for your approval.

Fix lot hold timeoutActivity · 14 steps

Readservices/lot_hold.py182 lines

Ranpytest tests/ -k lot_holdexit 0

tests/test_lot_hold.py ..........

tests/test_lot_hold_large.py ..

12 passed in 2.84s

Openedlocalhost:8080/lots/L2381

localhost:8080/lots/L2381

Lot L2381 On hold

800 wafersPM overdue

Previewedhold_audit.xlsxSheet1

ShellFilesBrowser useComputer use Office preview

See every step it takes

Shell, file access and Office preview are built in, and browser use and computer use can be switched on when a task needs them. Every tool call shows in the session with its command and output.

Works on its own, runs in parallel

Micius splits a larger task among subagents. Each works in its own sandbox at the same time, and the results come back as one change for you to review.

Fix lot hold timeout3 × Subagent

Sandbox 1sb-01

Trace the slow query

Readservices/lot_hold.py

RanEXPLAIN hold_wafer

One query per wafer

Done1m 52s

Sandbox 2sb-02

Write the 800-wafer test

Createdtest_lot_hold_large.py+31

Ranpytest -k large

2 passed

Done2m 10s

Sandbox 3sb-03

Update the API notes

Editeddocs/api/lots.md+12 −3

Runningmkdocs build

Running1m 05s

Ready for review3 files +57 −12

Fix lot hold timeout3 × Subagent

Sandbox 1sb-01

Trace the slow query

Readservices/lot_hold.py

RanEXPLAIN hold_wafer

One query per wafer

Done1m 52s

Sandbox 2sb-02

Write the 800-wafer test

Createdtest_lot_hold_large.py+31

Ranpytest -k large

2 passed

Done2m 10s

Sandbox 3sb-03

Update the API notes

Editeddocs/api/lots.md+12 −3

Runningmkdocs build

Running1m 05s

Ready for review3 files +57 −12

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Scheduled

Nightly regression on mainEvery day 02:00

Last run 02:00–02:18

Checked out main02:00

Ran 1,204 tests · 2 failed02:03

Traced both to one fixture02:15

Opened issue #51102:18

Dependency update PRMondays 09:00

Triage new SPC alarmsEvery 2 hours

Start workflow

Describe what you want to accomplish

Every Friday, summarise the merged pull requests and draft the release notes.

release-template.md

Matched workflowRelease notes

CancelStart task

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2
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3
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Micius Code

Hand off the task, keep the decisions

Asks before risky steps

See every step it takes

Works on its own, runs in parallel

Extend it with tools and knowledge

Add plugins, or build your own

Share your team’s Skills

Connect tools with MCP

Fits the way your team works

Recurring work runs on its own

Micius built in, or your own model

Choose a model for each session

Deploy it the way you need

Download

macOS

Windows

Get started

Download

Open a project

Describe the task

Roll it out to your team.