Electronics AI agent · Technical support
Technical-Support AI Agent
Answer product questions from the documentation you already publish, gather symptoms into a diagnosis a person can read, and route anything carrying a safety signal to the named engineer who owns it.
- Typical delivery
- 4–6 weeks
- Deployment
- Your stack
- Engineer review
- Sourced answers
- After launch
- Agent Care
What this agent does
Handles the troubleshooting, not the safety call
In
- 01
Ingest the ticket, the product record and the document set from supported service, ticketing or knowledge sources.
- 02
Normalise model numbers, firmware builds and regional variants, and carry each answer forward with its source.
Reason
- 03
State that the customer is talking to an AI system, and put a person one request away.
- 04
Gather symptoms into a diagnosis a support engineer can read without reopening the case.
- 05
Answer from the manual, service bulletin or support note that covers the model in hand.
Decide
- 06
Refuse the hazard-bearing steps outright — mains work, battery handling, disassembly and bricking-class firmware.
- 07
Route an injury, fire, overheating or property-damage report to a named engineer, timestamped as it arrives.
Out
- 08
Retain the symptoms, the steps given, the escalation and the engineer's disposition against the ticket.
- 09
Execute write actions only inside the approval boundaries agreed during implementation.
Product statement
The agent answers and gathers; a named support engineer decides what a safety report means, and the manufacturer owns what the agent said.
Example workflow
One ticket, symptom to release
- 1Ticket receivedSupport chat, email, in-app help or an inbound call
- 2Symptoms assembledModel, firmware build, purchase region, fault description and prior contacts, each with its source
- 3Answer proposedDiagnosis, the steps to try and the documents behind them
- 4Controls appliedHazard-step refusals, the parts rules configured for that state, safety-signal detection and confidence threshold
No human action required
Stages 1 to 4 run unaided, and no safety report is closed at any of them — the agent is answering, and the engineer's lane opens at the confidence gate.
Goes to the support engineer to release.
Adds a senior-technician read first.
Engineer review
The answer is held with its symptoms, the documents behind it and the confidence.
Release · Correct · Send to the safety desk
Released — the customer is answered
- 6Service systems updatedOnly where write access and approval policy allow it
- 7Outcome evaluatedRepeat contacts, corrections made in review, escalations raised late and complaints logged after the fact
Corrections
Each engineer correction is counted in the evaluation.
What should not run autonomously
Human approval stays in control
Outside the boundary — human approval required
8 items
- Deciding that a safety report is not reportable.
- Closing a ticket that carries a safety signal.
- Steps that open a mains enclosure, supply or display.
- Battery handling beyond stop, disconnect and isolate.
Automation boundary
Agent acts unaided
- ✓Answer from the manual and bulletin set for that model into the review queue.
- ✓Gather symptoms and prior contacts into one diagnosis.
- ✓Give the steps the documentation lists as safe to try.
- ✓Pass a safety signal up, timestamped, and hold the ticket for the named owner.
Any write happens inside the boundaries agreed at implementation, never ahead of the engineer's release.
- Erasing a device before a backup has been confirmed.
- Firmware steps that can leave a device unrecoverable.
- Warning that a non-genuine part will limit the device.
- Changes to refusal rules or escalation thresholds.
Example output
One ticket, annotated
Everything the agent says is attached to the document it was drawn from.
Support output · single ticket
Illustrative example- Ticket
- No power after an update
- Step given
- Re-run the on-device recovery the bulletin describes for that build
- Model
- Soundbar, shipped build
- Source of record
- Service bulletin on file
- Confidence
- 91%
- Release path
- Held for the engineer
As received
Taken from the ticket and the bulletin on file — nothing on this side is written by the agent.
Sources used
- Service bulletin
- Product manual
- Prior contacts on the model
Why this step
It is the step the bulletin lists for that build, and it opens nothing on the device.
What the score decides
Below the configured threshold the answer picks up a senior-technician read before it is sent.
Action
ReleaseCorrectSend to the safety deskValue
Where AI adds value
The same four claims, placed at the point in the workflow where each one applies.
Where the value lands
Value 01 – 04
Every ticket
From your documentation
Answer from the document
Draw on the manual, the bulletin set and the parts rules configured per state — Oregon, Colorado and Washington are not the default.
Answer without the queue
Documented faults come back answered, and the ticket still lands in the complaints register.
Send engineers where harm
Safety signals, hazard-bearing requests and low-confidence answers are marked, so engineer time goes where being wrong hurts someone.
Build an evidence trail
The symptom described, the step given and the agent who took it over stay on the ticket.
Integrations
Typical integrations
Five system groups connect to the same agent. Which of them are in scope is decided in discovery.
Support desk
- Zendesk
- Salesforce Service
- Freshdesk
- Intercom
Product documentation
- Manuals
- service bulletins
- Firmware release notes
Field service and repair
- ServiceMax
- Salesforce FSL
- Repair-depot and RMA systems
Agent
Technical support
- Reads the documents
- Answers the ticket
- Escalates to engineers
Safety and quality
- Complaints register
- Corrective-action systems
Observability & evaluation
- OpenTelemetry
- Langfuse
- Supported monitoring/evaluation sources
Integration availability depends on the client's existing systems and API access.
Agent controls
Six layers between the model and the customer
Each control wraps the one inside it. What a layer does not catch is named in the map below it.
L6 · Outermost — last line of defence
Inward → L1 · closest to the model
- L1 – L2
- Test whether an answer may stand
- L3
- Puts release in an engineer's hands
- L4 – L5
- Keep the step and the document it came from
- L6
- Drops the agent to signposting when signals degrade
How Nestack evaluates it
Evaluate the whole ticket path — not only the answer the customer reads.
Coverage runs the whole depth of the workflow, and every layer is cut by slice.
Surface — the answer the customer acts on
- E1Final-output evaluationDid the step match the document revision it was drawn from?
- E2Step-level evaluationDid the agent use the right model, build and regional configuration?
- E3Tool evaluationDid it read the correct product record and write to the correct ticket?
- E4Confidence calibrationDo low-confidence answers actually attract more engineer corrections?
- E5Slice evaluationHow far apart do correction rates sit across specific fault types?
- E6Business outcomeHow many tickets came back a second time, and how many closed without reaching the complaints register?
Floor — what the manufacturer answers for
Failure modes
Where each failure originates in the agent
Seven failure modes, placed at the stage each one begins.
Agent lifecycle
Direction of processing →
01 · Retrieval
1 mode
- QT-03
Superseded document read
The step comes from a bulletin the manufacturer has since replaced.
Stage gathers
Ticket, product record, manual, bulletin and prior contacts
02 · Reasoning
2 modes
- QT-04
Safety signal read as a fault
An overheating report is answered as an ordinary troubleshooting case.
- QT-06
Parts rule stated nationally
A third-party-part answer is given without the customer's state.
Stage proposes
Diagnosis, steps to try and their sources
03 · Tool / write
2 modes
- QT-02
Refused step paraphrased out
A hazard-bearing instruction reaches the customer in other words.
- QT-05
Escalation raised late
A report reaches the engineer after the ticket has moved on.
Stage writes
Only where write access and approval policy allow it
04 · Output
1 mode
- QT-01
Answer contradicts the manual
The agent asserts what the published documentation does not.
Stage returns
The step the customer takes and the ticket record
05 · Change / Version
1 mode
- QT-07
Silent refusal regression
A model or rule change narrows what the guard stops.
Stage tracks
Model, prompt, document set and refusal rules
- Sev-1 · a safety report was not escalated
- Sev-2 · a wrong step reaches the customer
- Sev-3 · sources degrade, ticket routes to review
Affected slices
Overall answer quality can hide one fault type
Battery and charging faults are the slice the aggregate buries: a thin share of the queue, and the largest share of the answers an engineer had to correct. Nestack reports the correction rate by slice, not only in total.
Slice performance — reported separately, not only in aggregate
Illustrative example| Slice | Failure rate | Lift | Lift vs. threshold | Status |
|---|---|---|---|---|
| Battery and charging faults | 5.4% | 3.6× | Review | |
| Overheating and thermal reports | 4.1% | 2.7× | Review | |
| Firmware and update failures | 2.7% | 1.8× | Watch | |
| Routine setup and connectivity | 1.2% | 0.8× | Normal |
Bar: engineer-correction lift vs. the routine-setup baseline · scale 0–4.0× · tick marks the 2.0× review threshold
2 of 4 slices over threshold
Evidence-linked improvement
Nothing closes until the suite grows
A cycle closes when the failure is a regression case the next release has to pass. That suite is what the next ticket through support is measured against.
Improvement cycle · five stages
Switchback — the path turns at Improve and returns at Learn
- 01
Detect
Engineer corrections rise in one fault type.
- 02
Diagnose
The ticket is the unit of diagnosis: the symptoms taken, the step given, the document behind it and who took it over.
- 03
Improve
The change ships against a version, with the tickets that exposed it attached.
- 04
Verify
Release is blocked until the affected regression cases pass again.
- 05
Learn
The case joins the permanent suite and the support playbook.
Learn → Detect
The return edge. The next detection runs against a suite one case longer.
Typical build scope
Twelve workstreams across six weeks
The build scope read against the delivery timeline. Week structure follows the six-week plan — discovery, sources, answering workflow, evaluation, integration, then production validation and handover.
Workstream
Week 1Week 2Week 3Week 4Week 5Week 6
- 01Support workflow discovery and boundary definition.Week 1
- 02Support-desk and product-data assessment.Week 1, Week 2
- 03Hazard refusal set and per-state parts-rule mapping.Week 1, Week 2
- 04Ticket and product-record ingestion.Week 2
- 05Answering logic and source binding.Week 2, Week 3
- 06Confidence scoring and safety routing.Week 3
- 07Engineer review workflow.Week 3, Week 4
- 08Support-desk and service-system integration.Week 5
- 09Safety-step regression cases.Week 4, Week 5
- 10Guardrails and escalation controls.Week 4
- 11Ticket-trail instrumentation.Week 5, Week 6
- 12Deployment, documentation and Agent Care handover.Week 6
12 workstreams · 6 weeks · bar shows the weeks a workstream is active — several run in parallel
Final scope and sequence confirmed in discovery
Engagement tiers
What each tier includes
Rows are the capabilities named in each tier's scope. Higher tiers include everything below them.
| Capability✓ in scope · — not at this tier | PilotOne product line, one region | ProductionProduction support desk | AdvancedMultiple lines / regions |
|---|---|---|---|
| Introduced at Pilot | |||
| Answering from your documents | ✓ | ✓ | ✓ |
| Engineer review | ✓ | ✓ | ✓ |
| Answer-quality baseline | ✓ | ✓ | ✓ |
| Introduced at Production | |||
| Reporting by product line | — | ✓ | ✓ |
| Review workflow in your systems | — | ✓ | ✓ |
| Approved write-back | — | ✓ | ✓ |
| Ticketing-system integration | — | ✓ | ✓ |
| Introduced at Advanced | |||
| Multi-region and multi-brand rollout | — | — | ✓ |
| Multi-stage engineer approvals | — | — | ✓ |
| High ticket volume | — | — | ✓ |
| Multi-region support controls | — | — | ✓ |
| Build price | From $5,000 | From $8,000 | Custom quote |
- Final build price
- Confirmed after discovery based on integrations, workflow complexity, ticket volume, escalation controls and deployment requirements.
- Separate from build
- Build pricing is separate from recurring Agent Care, which covers managed monitoring, evaluations, incidents and verified improvements after launch.
What we need from you
What you bring, and what we build with it
Each input maps to a piece of build scope and a week in the delivery timeline.
You bring
We build with it
01Your manuals, bulletins and support notes
→Document ingestion and source binding
Week 102Representative tickets from a past quarter
→Answering baseline, symptom gathering and step binding
Week 203The hazard steps your engineers already refuse
→Hazard refusal mapping and the automation boundary
Week 104Access to relevant APIs, feeds or exports
→Support-desk, documentation and repair-system assessment, then integration setup
Week 205Answers you would not want repeated
→Safety cases and failure-mode testing
Week 406Where a step must stop and wait for a person
→Confidence scoring, safety-signal routing, guardrails and escalation controls
Week 307Named support engineers to release answers
→Engineer review workflow, then pilot and production validation
Weeks 5–6
Nothing else is required
Deployment, documentation and Agent Care handover are ours.
Delivery timeline
Four phases across six weeks
Each phase sits on the weeks it actually occupies, and week 5 carries both evaluation and launch work.
Phase
W1
W2
W3
W4
W5
W6
- DiscoveryW1
- BuildW2 – W3
- EvaluateW4 – W5
- Pilot & LaunchW5 – W6
Week focus
W1Support workflow discovery, refusal mapping and the automation boundary
W2Source integration and the answering baseline
W3Answering workflow, confidence logic and escalation controls
W4Evaluation suite, safety-step checks and failure-mode testing
W5Desk integration, a pilot ticket queue and targeted corrections
W6A live support queue answered under supervision, then Agent Care handover
- Reading the band
- Each bar covers only the weeks its work is named in. The fifth week doubles because the work overlaps.
- At the end of W6
- Validation closes on live tickets, and Agent Care picks up monitoring.
- Duration
- Six-week plan shown · typical delivery 4–6 weeks depending on scope confirmed in discovery.
Next step · Electronics AI agent
Build a technical-support agent around your own documentation.
You bring the manuals and bulletins, the steps your engineers refuse to give over the phone, and the person who owns a safety report. We'll map the ticket path, set the automation boundary and name what stops.
- Typical delivery
- 4–6 weeks
- Deployment
- Your support desk
- Engineer review
- Sourced answers
- After launch
- Agent Care available
Nestack Agents · Technical support
AGT-EL-01 · Agent Care available after launch