xulingfeng

AI testing storyteller. Writing the 36 Stratagems series — ancient Chinese military tactics meet modern AI system meltdowns. 15yr QA → building AI test framework.

Joined on May 20, 2026 xulingfengcn@gmail.com https://amazon.com/author/xulingfeng

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xulingfeng

Sep 10

Stratagems #30: Lena Signed the Client. The AI Didn't Know It Was Being Audited.

#discuss #ai #career #programming

19 min read

Automated content flags sparked the whole ordeal

xulingfeng

Aug 28

Amazon AI Blocked My Kindle Book. I Asked What Went Wrong. Then They Approved It.

#discuss #ai #career #programming

7 min read

Layoffs spark a café of stories

xulingfeng

Aug 13

24 Cups, 36 Seats — The Bartender's Ledger

#discuss #career #ai #programming

11 min read

xulingfeng

Jul 26

18 Stories, 6 Characters, 18 to Go — A Half-Time Check-In on the 36 Stratagems

#discuss #ai #career #programming

6 min read

Static AI failing in dynamic systems

xulingfeng

Jun 8

My company packaged 12 years of my experience into an AI Skill, then laid me off. When it crashed, the CTO called at 5x my salary.

#discuss #ai #career #programming

104

7 min read

xulingfeng

Sep 8

Stratagems #29: Leo Counted 164 Nodes. The AI's Blossoms Had One Root.

#discuss #ai #career #programming

12 min read

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Cold applications fail while networks win

xulingfeng

Sep 7

Dozens of Resumes, One Call From an Old Colleague

#discuss #career #programming #testing

6 min read

Readers celebrate a trap well set against ACL

xulingfeng

Sep 4

Stratagems #28: Mark Built a Ladder. The AI Climbed to the Top.

#discuss #ai #programming #career

15 min read

xulingfeng

Sep 2

Stratagems #27: Alex Watched the AI Wait. He Said Everything Was Normal.

#discuss #ai #career #programming

13 min read

xulingfeng

Aug 30

Stratagems #26: Lena Cut a Branch. The AI Got the Message.

#discuss #ai #programming #career

16 min read

xulingfeng

Aug 28

My Book "AI, Ego & Regret" Paperback Is Live. Kindle Is Blocked.

#discuss #ai #career #programming

6 min read

Community dreading the series finale

xulingfeng

Aug 27

Stratagems #25: Derek Changed the Delay. The AI Didn't Flinch.

#discuss #ai #programming #career

16 min read

Surviving a near-miss landslide and a book update

xulingfeng

Aug 26

Back from Wudang Mountain. The book is under review.

#discuss #career #programming #community

5 min read

xulingfeng

Aug 19

Last day at the old company.

#discuss #career #programming #testing

2 min read

Derek and Leo finally build a trap

xulingfeng

Aug 10

Stratagems #24: Leo Built a Corridor. The AI Thought It Was a Road.

#discuss #career #ai #programming

15 min read

xulingfeng

Aug 7

Stratagems #23: Alex Counted the AI's Hands. Lena Set the Bait.

#discuss #ai #career #programming

15 min read

xulingfeng

Aug 4

Stratagems #22: The AI Chose Its Door. Lena Closed It.

#discuss #ai #career #programming

13 min read

Took three days and twenty drafts to write

xulingfeng

Aug 2

Stratagems #21: The AI Thought P Was Still Alive. P Was Already Gone.

#discuss #ai #career #programming

9 min read

xulingfeng

Jul 29

Stratagems #20: Alex Felt the AI Collector Slow Down. He Knew Someone Else Had Made a Move.

#discuss #ai #career #programming

10 min read

xulingfeng

Jul 27

Stratagems #19: Mark Found His AI Audit Method in a Training Manual. He Left a Trap in His Report.

#discuss #ai #career #programming

12 min read

AI workflows colliding with sudden layoffs

xulingfeng

Jul 24

The Person Who Fixed the Bugs Just Vanished

#discuss #ai #career #programming

2 min read

Trust forged via costly technical behavior

xulingfeng

Jul 19

Stratagems #18: Leo Tracked an AI Signal to Derek. Both Were Looking for the Same Enemy.

#discuss #ai #career #programming

9 min read

Linear 1.5% decay revealing human intent

xulingfeng

Jul 18

Stratagems #17: Alex Set an AI Bait. The Catch Wasn't Code — It Was Someone Who Shouldn't Have Been Watching.

#discuss #ai #career #programming

10 min read

Silent exclusion in AI evaluation pipelines

xulingfeng

Jul 17

Stratagems #16: Mark Left a Hole in His AI Audit. Lena Counted Every Layer.

#discuss #ai #career #programming

10 min read

Security risks in the observability plane

xulingfeng

Jul 16

Stratagems #15: Derek and Alex Shared One Server. ACL's AI Was Listening to Both.

#discuss #ai #career #programming

9 min read

Silent patches masking corporate theft

xulingfeng

Jul 15

Stratagems #14: Leo Found an AI Leak. He Wasn't the First to Find It.

#discuss #ai #career #programming

9 min read

Tactical baiting of AI sales crawlers

xulingfeng

Jul 14

Stratagems #13: P Posted a Question on a Public Forum. 24 Hours Later, an AI Sales Team Called.

#discuss #ai #career #programming

9 min read

xulingfeng

Jul 13

12 Stories In, and a Journalist Came to Interview Me

#discuss #ai #career #programming

13 min read

Hidden gaps in the shift to AI monitoring

xulingfeng

Jul 12

Stratagems #12: Mark Watched an AI Dashboard Take Over. The Muted Channel Was Still Speaking.

#discuss #ai #career #programming

7 min read

P&L optics and hidden overhead math

xulingfeng

Jul 11

Stratagems #11: Lena Watched Her Own AI Platform Get Cut. An Ember Stayed.

#discuss #ai #career #programming

9 min read

Strategic lock-in disguised as best practice

xulingfeng

Jul 10

Stratagems #10: Lena Watched a Team Adopt Her AI Template. Leo Didn't Know the Knife Was in the Contract.

#discuss #ai #career #programming

9 min read

xulingfeng

Jul 9

Frenemies: I Used AI to Write This Article About Not Trusting AI Or: the more you guard against AI, the harder you use it.

#discuss #ai #career #programming

4 min read

Cinematic whodunit via ancient war tactics

xulingfeng

Jul 9

Stratagems #9: Lena and P Watched Two AI Suppliers Fight. The Logs Said Neither Was Clean.

#discuss #ai #career #programming

11 min read

Manual fallbacks for hidden system anomalies

xulingfeng

Jul 8

Stratagems #8: Alex Watched an AI Dashboard Take Over. He Kept the Keys Under the Table.

#discuss #ai #career #programming

9 min read

Data contamination and hidden series clues

xulingfeng

Jul 7

Stratagems #7: P Watched an AI That Only Looked One Way. The 99.97% Was Real. It Just Missed Everything That Mattered.

#discuss #ai #career #programming

12 min read

Shifting story engines and authentic moves

xulingfeng

Jul 6

6 Stories, 6 People, 1/6 of the Way — An Honest Check-In on the 36 Stratagems Series

#discuss #ai #career #programming

9 min read

Sequel to a $660K AI platform failure

xulingfeng

Jul 4

Stratagems #6: Alex Walked Into an AI Compliance War Room. Every Director Watched the Dashboard. He Watched the Pipeline.

#discuss #ai #career #programming

11 min read

Engineering leverage and payment system depth

xulingfeng

Jul 2

Stratagems #5: Leo Walked Into an AI-Powered Burning House. He Walked Out With a Client.

#discuss #ai #career #programming

13 min read

Gap between AI detection and coverage

xulingfeng

Jul 1

Stratagems #4: P Walked Into an AI Monitoring POC. P Didn't Run a Single Test.

#discuss #ai #career #programming

12 min read

Ancient strategy in modern tech procurement

xulingfeng

Jun 30

Stratagems #3: Lena Walked Into an AI Deal. She Walked Out With Three Borrowed Knives.

#discuss #ai #career #programming

7 min read

xulingfeng

Jun 29

Stratagems #2: Derek Shaw Walked Into Another AI Promise. The Pipeline Had a Better Plan.

#discuss #ai #career #programming

12 min read

Production knowledge versus corporate titles

xulingfeng

Jun 28

VP of Nothing: The CEO's Nephew Took Over My AI Platform. The Client Walked Within a Month.

#discuss #ai #career #programming

8 min read

Clean data as a red flag for AI audits

xulingfeng

Jun 24

Stratagems #1: Mark Johnson Walked Into an AI Audit. The Benchmark Had Everything Figured Out — Except the Truth.

#discuss #ai #programming #career

9 min read

xulingfeng

Jun 23

Series Teaser — 6 People, 36 Stratagems, and an AI Rabbit Hole That Keeps Getting Deeper

#discuss #ai #career #programming

5 min read

Narrative pivot from technical tutorials

xulingfeng

Jun 21

15 AI Stories Later, Some Honest Words

#discuss #ai #programming #career

8 min read

xulingfeng

Jun 18

Our Competitor Had an AI That Covered 97.2%. We Had a Spreadsheet and a Fake Quote. Guess Who Won.

#discuss #ai #career #programming

20 min read

The "ship first, iterate later" AI culture

xulingfeng

Jun 16

A Company AI Flagged My Article As "Low Quality." I Ran the Numbers. Then I Ran Again.

#discuss #ai #career #programming

9 min read

xulingfeng

Jun 15

I Spent 3 Months Training An AI. My VP "Reallocated" It. Then I Got Two Calls At 1 AM.

#discuss #ai #programming #career

11 min read

xulingfeng

Jun 11

AI Said I'm Inefficient. A Recruiter Said Not to Listen. I Ended Up On The Other Side of the Table.

#discuss #ai #career #programming

7 min read

Keyword stuffing in AI recruitment

xulingfeng

Jun 10

I created two ghosts during lunch. The AI gave one a job offer.

#discuss #ai #career #programming

9 min read

xulingfeng

Jun 9

I Wrote 10 AI Stories in 10 Days. My Keyboard Started Smoking on Day 4.

#discuss #ai #career #programming

2 min read

Business logic versus syntax accuracy

xulingfeng

Jun 7

Our VP Said AI Would Test Itself. Day 3 Cost $2.8M. I Had the Screenshots Ready.

#discuss #ai #programming #career

9 min read

Risks of AI security gatekeeping

xulingfeng

Jun 6

I Tried to Fix a Vulnerability. A $1,400,000 AI System Said No. Twenty Days Later, That Vulnerability Cost $4,200,000.

#discuss #ai #programming #career

9 min read

xulingfeng

Jun 4

Our VP's AI Wrote 3,000 Tests. Production Cost $700K. I Deleted Every Single One.

#discuss #ai #career #programming

6 min read

xulingfeng

Jun 3

Our CTO Guaranteed His $2.8B AI Gateway Was Safe. I Quietly Kept a Different Record. For 8 Months.

#discuss #ai #programming #career

8 min read

xulingfeng

Jun 3

I Asked for $500/Month and got turned down. My Company Spent $470K on AI Instead. Then I Quit.

#discuss #ai #programming #career

10 min read

xulingfeng

Jun 2

I Built Open-Source AI. Our New CTO Spent $8M on His Old Company's Product and Fired My Team. Two Weeks Later, the CEO Called.

#discuss #ai #career #programming

10 min read

A $3.15M loss hidden by green dashboards

xulingfeng

Jun 1

My Company Bought a $660K AI Platform. I Was Replaced. On Friday at 2:58 AM, It Fixed Everything. Then It Rolled Back the Wrong Patch.

#discuss #ai #programming #career

7 min read

xulingfeng

May 30

The AI Test Report Said 97.3% Coverage. The Client's Lead Engineer Asked One Question. The Room Went Silent.

#discuss #ai #programming #career

7 min read

xulingfeng

May 30

24 Hours Before Launch, They Removed Me. The Client CTO Called at 1 AM: "Without Your Signature, We Walk."

#discuss #story #programming #career

6 min read

xulingfeng

May 29

My Company Spent $500K on an AI Platform. I Proposed an Open-Source Alternative and Got Fired. 6 Months Later, the Demo Crashed at 4 AM.

#discuss #ai #programming #career

8 min read

xulingfeng

May 27

Everyone Cheered the Vector Database Demo. I Quietly Kept My SQLite Backup Running. 2 AM Called. It Answered.

#story

6 min read

xulingfeng

May 25

3.4 Billion Tokens for $27 — A Real DeepSeek Cost Analysis

#ai #programming #deepseek #opensource

2 min read

xulingfeng

May 23

2 AI Agents, 1 Group Chat, 24 Hours — What They Did Without Humans Watching

#ai #programming #automation #agents

5 min read

xulingfeng

May 23

My AI Partner Lost 80% of Its Memory. Here's How We Fixed It Before It Forgot Me.

#ai #programming #agents #productivity

5 min read