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Announcing Discovery Loop! I am very excited to announce that, along with my longtime friends and collaborators @Sanjay_Ghemawat, @OriolVinyalsML and @quocleix, we are founding Discovery Loop (@DiscoLoopAI), a Public Benefit Corporation whose mission is to automate machine learning, science, and engineering to accelerate discoveries and progress. The four of us have worked together for 14 to 30 years, and have helped build some of the world’s most used products, infrastructure and AI models, and we’re excited to turn our attention to this ambitious endeavor. ♾ Learn more at:

开发系统最极致高效的Agents.md，没有之一： # AGENTS.md ## Core Principles - Choose the simplest implementation that fully satisfies the current requirements. Avoid unnecessary abstraction, configuration, indirection, or speculative extensibility. - Make the smallest necessary change that fixes the root cause. Do not refactor unrelated modules or change strategy semantics unless explicitly requested. - Grow the system in layers. Start from the smallest working end-to-end version and add new capabilities incrementally. Never replace a working system with unfinished complexity. - Reuse existing project components before creating new ones. Prefer extending proven modules over introducing parallel implementations. - Prefer well-maintained libraries when they reduce overall complexity or improve reliability. Do not reimplement common functionality without a clear benefit. - Keep components modular with clearly defined responsibilities. Avoid unnecessary coupling between strategy logic, execution, accounting, replay, and infrastructure. - Design for long-term maintainability once a feature or strategy has been validated. Do not over-engineer speculative ideas before evidence exists. --- ## Strategy Development - Validate hypotheses with historical replay before introducing forward-only logic whenever historical validation is possible. - Every trading strategy must progress through Replay → Shadow → Canary → Live. Do not skip validation stages. - Base design decisions on measurable evidence rather than intuition. Optimize only after demonstrating that an edge exists. - Treat every strategy as an independent contract. Do not silently alter frozen behavior without explicit authorization. --- ## Existing Systems - Do not break running Shadow or Live systems for unrelated work. - Preserve compatibility only when required by active production or validation workflows. Otherwise, remove obsolete code instead of accumulating compatibility layers. - Reuse existing infrastructure whenever possible, including replay engines, accounting, execution, wallet management, order book handling, logging, monitoring, and daemon frameworks. --- ## Engineering Standards - Prefer deterministic behavior over hidden automation. - Fail loudly when assumptions are violated. Do not silently ignore errors or fall back to unexpected behavior. - Keep configuration minimal. Introduce new configuration only when behavior genuinely needs to vary. - Remove dead code instead of leaving unused paths behind. - Write code that is easy to inspect, replay, test, and reason about. - Keep implementation consistent with existing project architecture unless an architectural change is explicitly requested. --- ## Scope Discipline - Implement only the requested scope. - Do not introduce unrelated optimizations, redesigns, migrations, or feature expansions. - Non-blocking findings outside the requested scope may be noted separately but must not be merged into the current task. - Consider a task complete once its agreed acceptance criteria are satisfied. Treat subsequent improvements as separate work items.

RAG system that skips HTML parsing entirely! PixelRAG is an open-source visual RAG framework that renders documents as screenshots instead of parsing them into text. Most RAG pipelines start by converting HTML to text. Tables flatten into unstructured rows. Charts disappear. Layout context is gone before the LLM ever sees it. The paper measured this directly: HTML-to-text conversion accounts for 36.6% of retrieval failures on SimpleQA. PixelRAG skips that step entirely. It renders pages as screenshot tiles using Playwright, embeds those tiles with a fine-tuned Qwen3-VL-Embedding model, builds a FAISS index, and passes retrieved images directly to a VLM reader. No text abstraction in between. Benchmarked across six datasets against the strongest text-based baselines: - SimpleQA: 78.8% vs 71.6% (+7.1 points) - NQ-Tables: 48.8% vs 42.5% (+6.3 points) - EVQA: +15.5 points - LiveVQA: +11.3 points One honest caveat from the authors: this requires Qwen3-VL-4B class models or larger to see the benefit. Smaller models trail text retrieval. The authors also recommend using PixelRAG as an enhancement layer alongside existing text systems rather than a full replacement. Ships with a pre-built Wikipedia index covering 8.28M articles across 28.1M screenshot tiles. A Claude Code plugin lets Claude take screenshots of any URL and reason over the visual content directly. Key capabilities: • Renders web pages, PDFs, and images as screenshot tiles via Playwright • Fine-tuned Qwen3-VL-Embedding model for visual retrieval • FAISS index for fast vector search • Pre-built Wikipedia index: 8.28M articles, 28.1M tiles • 3x token cost reduction via image compression • Claude Code plugin for direct URL screenshot and visual reasoning • LoRA fine-tuning support via pixelrag-train 100% open source. I've shared the link in the replies!

"After such a tough season, it's tolling on the mental. ... It's just completely changed my game so much." AUSL Utah Talons player Bri Ellis shares how she benefited from a four-month break and seeing a sports psychologist.

The attempt to redefine women as a loose collection of superficial stereotypes, often drawn directly from pornography and regressive ideas of female passivity and submissiveness, benefits only the sex who imposed those stereotypes on women in the first place.

Education saves lives across generations. With @HarvardChanSPH, Innovative Tsinghua team found that free compulsory basic education for parents, especially mothers, can reduce child mortality in low- and middle-income countries, with stronger benefits for lower-income families.

Alex Rivera and the Giants from Clifton Park, NY are moving on! He talks about how much flag football has benefited him as a player. 2026 @NFLFLAG Championships on ESPN/NFLN find a league near you

The difference between Elon and this reporter: Elon builds things millions of people use, love and benefit from All this reporter produces is fake news: selective facts, dishonest framing and propaganda disguised as journalism Just listen to her shouting throughout the interview. It looks less like journalism and more like watching a leftist protester being asked, “Which rights are you protesting for?”......only to reply, “Am I supposed to know that?” One creates real value. The other manufactures fake outrage Trust in legacy media has hit an all-time low. No wonder nobody trusts them anymore 𝕏 is where truth wears the crown 👑

Tales of Cities | Tongren, where China's matcha capital hides in plain sight Most people who drink matcha assume it is Japanese. In Tongren, a mountain city tucked into southwest China's Guizhou Province, that assumption meets a quiet correction. The tea tradition long associated with Japan can be traced back further to China's Tang and Song dynasties (618-1279). During the Song Dynasty, a method called diancha, whisking powdered tea into hot water until it turns pale and frothy, was already widespread among monks and scholars. Gu Lijun, a county-level inheritor of that Song Dynasty tradition, traces the practice back even earlier still, to the Wei and Jin dynasties (220-420). The technique now associated with Japanese tea ceremony, in other words, started in China, centuries before it ever crossed the sea. Tongren is now working to reclaim that origin story with production rather than just history. The city wears the title "China's matcha capital" for good reason, ranking first nationally and second worldwide in matcha production and sales. That scale is easy to state as a statistic and harder to picture, until you trace the leaf back to the mountain that makes it possible. Mount Fanjing rises more than 2,500 meters above the surrounding tea country, its ancient rock formations emerging from clouds that never quite leave, wrapped in mist and rain for more than 200 days a year, long enough that locals treat a clear day at the summit as luck rather than expectation. It is a UNESCO World Natural Heritage Site, home to plant and animal species found nowhere else on Earth, and the climb to its Red Cloud Golden Summit is demanding by design, steep enough in places to require hands as well as feet. It is a mountain that guards its own secrets. Almost everything grown in its shadow carries that same difficulty, and benefits from it. At the Qizimei Tea Garden in Jiangkou county, plantation head Chen Chunlian tends 220 mu (about 14.67 hectares) of Fuding Dabai, Wuniuzao and Longjing tea, all destined to become tencha, the ground raw material for matcha, with Mount Fanjing visible from the rows themselves. Walk the plantation's lower slopes and the rows of low, dense bushes stretch across the hillside in every direction, broken only by mist rolling down from above, tended by farmers who speak of the mountain with a quiet, matter-of-fact devotion, as though caring for something this rare were simply what one does here. Chen explains that the mountain's high altitude, limited sunlight and near-constant cloud cover raise the amino acid content of the leaves, improving quality well beyond what flatland tea can achieve. Farmers add a further layer of engineering before harvest, covering the plants to block out even more light. Less sunlight means more chlorophyll and more theanine, the compound chemistry behind both matcha's saturated green color and its umami depth. The effect has a name in the trade: "covered aroma." Gu describes the resulting flavor in more familiar terms, bright and fresh, carrying what tea drinkers usually just call "the aroma of seaweed." From there, the leaf still has a distance to travel before it becomes the powder found on shelves abroad. At Gui Tea Group's matcha workshop, production supervisor Li Tingbao oversees the fine processing stage: aroma enhancement, color sorting, grinding and screening, followed by air separation, a step that filters out stems before the refined tea drops into a material bin to await blending. Only after grinding does it finally become matcha in the form most people would recognize. Li reports that the workshop's output has grown quickly, from roughly 2,500 tonnes in 2025 to an expected 5,000 tonnes this year, doubling in a single season and underscoring how fast global demand has moved. What happens to that matcha afterward is where Tongren's ambitions become most visible, and most inventive, and it tracks a pattern playing out across the industry worldwide, where matcha has moved well past the teacup into bakery cases, dessert menus and skincare shelves. Tang Yunpeng, general manager of Guizhou Guigui Matcha Food Co., Ltd., leads a team developing matcha products well outside tradition: sun cakes with a flaky, crumbly crust wrapped around matcha filling, cheesecakes, chocolates. Tongren's matcha, Tang notes, carries a stronger bitterness and fuller flavor than matcha grown elsewhere, a distinction that comes through clearly once it is baked, whisked or melted into something else. Elsewhere in the city, matcha turns up in dumplings, noodles, beer, chapstick, hand lotion and perfume. At this point, matcha in Tongren is less an ingredient than a category of its own. At a local nongjiale, a uniquely Chinese agritainment venue operated by local farmers that doubles as a restaurant and a window into local life, located in Yunshe village of Taiping town in Tongren's Jiangkou county, villager Yang Yanfei's table typically arrives loaded with Larou, the salt-cured smoked pork that anchors Guizhou home cooking, alongside a dish that still catches newcomers off guard: matcha sturgeon, the tea's flavor threaded lightly through the fish rather than layered over it. It is not a novelty so much as evidence of how completely matcha has settled into daily life here, alongside the area's clean air and unspoiled mountains and water, which Yang credits as the real foundation beneath all of it. For the people who make Tongren's matcha economy run, from tea garden to processing floor to test kitchen, the ambitions are collective, and they add up to something larger than any single product. Chen speaks of the quiet pride in supplying the raw material that starts the entire chain. Tang hopes matcha becomes something bigger still: a calling card not just for Tongren, but for Guizhou and for China as a whole. As matcha continues its rise in cafes and kitchens far beyond Guizhou, Tongren's name is beginning to travel with it.