docs: structure model experience fields

This commit is contained in:
Tianyi Cui
2026-07-19 18:08:42 +08:00
parent bcc920369c
commit a278374e8f
92 changed files with 1334 additions and 512 deletions
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@@ -32,26 +32,32 @@ The time reading stays in derived conversation history until a later compaction
### Preparation-time temporal context
**What the model sees**: On each preparation attempt that injects, one source-tagged context message containing the two lines below. `<timestamp>` is an ISO-shaped local timestamp with numeric offset and IANA zone; durations use compact whole-second units. Positive intervals can leave an attempted step without a new reading.
#### What the model sees
**Token effect**: Each injected two-line message accumulates until compaction shadows it. A positive interval reduces additions; omission or `0` adds one for every eligible preparation attempt.
On each preparation attempt that injects, one source-tagged context message containing the two lines below. `<timestamp>` is an ISO-shaped local timestamp with numeric offset and IANA zone; durations use compact whole-second units. Positive intervals can leave an attempted step without a new reading.
**KV Cache effect**: Append-only; newly visible content follows the reusable request prefix and does not invalidate existing KV-cache entries.
#### First step
##### First step
```markdown
Time sampled while preparing turn <turn>, step 1: <timestamp>
Elapsed since the preceding model-visible message: <duration-or-unavailable>.
```
#### Later steps
##### Later steps
```markdown
Time sampled while preparing turn <turn>, step <step>: <timestamp>
Elapsed since the preceding step context: <duration-or-unavailable>.
```
#### Token effect
Each injected two-line message accumulates until compaction shadows it. A positive interval reduces additions; omission or `0` adds one for every eligible preparation attempt.
#### KV Cache effect
Append-only; newly visible content follows the reusable request prefix and does not invalidate existing KV-cache entries.
## Known Limitations and Deferred Work
- **Whole-second display** — timestamps and durations omit sub-second precision even though durable event times retain milliseconds.
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@@ -78,13 +78,11 @@ Instruction content is read through `streamText()` under `maxSourceBytes`, even
### Baseline session prefix
**What the model sees**: At the first request of each loop instance, the model receives one user-role prefix message containing the bounded user-global and project instruction chain in broad-to-specific order.
#### What the model sees
**Token effect**: The rendered baseline is frozen and resent on every request in that loop instance. `maxBytes` bounds the complete message, broader files are omitted before the most-specific file is truncated, and an empty chain contributes zero tokens.
At the first request of each loop instance, the model receives one user-role prefix message containing the bounded user-global and project instruction chain in broad-to-specific order.
**KV Cache effect**: Prefix-stable within one loop instance because the baseline is frozen. A new or resumed instance recomposes it, so instruction, precedence, cwd, candidate, or byte-budget changes may invalidate reuse from the first changed baseline token.
#### Baseline instruction template
##### Baseline instruction template
```markdown
<system-reminder>
@@ -100,15 +98,21 @@ Instructions from: AGENTS.md
</system-reminder>
```
#### Token effect
The rendered baseline is frozen and resent on every request in that loop instance. `maxBytes` bounds the complete message, broader files are omitted before the most-specific file is truncated, and an empty chain contributes zero tokens.
#### KV Cache effect
Prefix-stable within one loop instance because the baseline is frozen. A new or resumed instance recomposes it, so instruction, precedence, cwd, candidate, or byte-budget changes may invalidate reuse from the first changed baseline token.
### Newly discovered scope context
**What the model sees**: After a successful first-party filesystem call reaches a deeper directory, the next request includes one retained raw `context/message` with the newly applicable instruction file.
#### What the model sees
**Token effect**: Each discovered scope adds bounded history tokens until compaction. Unchanged content is suppressed by visible session state plus version/digest comparison, and Code Mode defers the same message until after the outer `run_code` result.
After a successful first-party filesystem call reaches a deeper directory, the next request includes one retained raw `context/message` with the newly applicable instruction file.
**KV Cache effect**: Append-only; newly visible content follows the reusable request prefix and does not invalidate existing KV-cache entries.
#### Additional instruction template
##### Additional instruction template
```markdown
<system-reminder>
@@ -120,15 +124,21 @@ These instructions apply to work under `packages/app`. Use them as guidance when
</system-reminder>
```
#### Token effect
Each discovered scope adds bounded history tokens until compaction. Unchanged content is suppressed by visible session state plus version/digest comparison, and Code Mode defers the same message until after the outer `run_code` result.
#### KV Cache effect
Append-only; newly visible content follows the reusable request prefix and does not invalidate existing KV-cache entries.
### Changed or removed instruction context
**What the model sees**: A changed file produces `Updated instructions from: <path>` plus its replacement content; a candidate switch also names the previous path. A removed final candidate produces the removal notice below.
#### What the model sees
**Token effect**: Each confirmed change or removal is one retained history message bounded by `maxBytes`. Provider failures add no message, and an update omitted by the budget remains eligible for a later filesystem touch.
A changed file produces `Updated instructions from: <path>` plus its replacement content; a candidate switch also names the previous path. A removed final candidate produces the removal notice below.
**KV Cache effect**: Append-only; newly visible content follows the reusable request prefix and does not invalidate existing KV-cache entries.
#### Removal notice
##### Removal notice
```markdown
<system-reminder>
@@ -138,6 +148,14 @@ The previously loaded instructions from this file no longer apply.
</system-reminder>
```
#### Token effect
Each confirmed change or removal is one retained history message bounded by `maxBytes`. Provider failures add no message, and an update omitted by the budget remains eligible for a later filesystem touch.
#### KV Cache effect
Append-only; newly visible content follows the reusable request prefix and does not invalidate existing KV-cache entries.
## Known Limitations and Deferred Work
- **Discovery follows structured fs tools, not shell navigation** — a `bash` command that changes directories does not trigger nested instruction discovery because shell syntax and per-call shell state are not a reliable filesystem seam.